Pin Count) Step 2: Flushing the System I had ran across this article the other day when searching for the best way to flush out my ATF. Depending on where you live, steel transmission lines may rust out over time causing leaks, and will need to … 2005 Chevrolet Silverado Crew Cab - Supercharged, Silikhan Publishing Group & GM-Trucks.com, 1999-2013 Silverado & Sierra (GMT-800/900). Almost three yrs old. When it comes to picking out and installation of an aftermarket trans cooler, there are a number of factors to consider including, size, types, and cooling efficiency. Top. All fluid pumped out through the vent tube: Plugged cooler line. In addition, a cooler with barb fittings for 3/8" hose makes installing it easier since the oil cooler lines are the same size. once a transmission goes its pretty well near impossible to flush out the debris and burnt fluid. Maybe that brand was discontinued at some point. So I did some more searching and found in another forum this reason -. I believe on both the 4L60E and 700R4 its a 1/4 NPT on the case (not any added compression fittings). Thanks for everyone posting. Metal transmission cooler lines are typically pre-bent with fittings that are held on by a flare at each end of the line. Here's some thing to consider. If I were you though, I'd take it somewhere and have it done. Whats people lookup in this blog: 4l60e Transmission Cooler Line Pressure Earl's Performance transmission cooler line adapters make your plumb job easier. How To Install Trans Cooler Onto A 2008 4l60E. I've had my 05 Silverado Crew-Cab 5.3 Vortec/4L60 trans since 2005. Read honest and unbiased product reviews from our users. I bought the truck at 50k miles. Depending on the cooler you purchase and your lines, you can spend as little as $20 extra to install a cooler, or … There was no noticeable slippage nor other problems before that I could tell. The line is to run ontop of all supports! Installation and Operation Manual for 4L60E 4L65E and. You fill the pan then disconnect the top line coming from trans and direct flow into a 5 gallon pail while adding new fluid. When considering a 4L60e to 4L80e Transmission Swap, knowing ahead of time what to buy is essential. 1998 S90 Volvo Fuel System Wiring Diagram, Ford F250 Wiring Diagram For Uplifter Switches, Hawkeye Mini 5.8ghz 200mw 32ch Race Band Vtx Wiring Diagram. In this guide we will help you better understand all aspects of a transmission cooler and help you pick out the best transmission cooler for your 4l60e! TH/3L80/ 3L80H. Car acts like it’s in OD in neutral, car is locked stationary in R, engine feels loaded in P, all four forward positions work fine: Transmission must be removed and rebuilt. Chevy Silverado LT 1/2 Ton 5.3 ltr V8 I am wanting to do a simple fluid flush to get all of the old ATF that I possibly can out of my 4L60E transmission. ... again staying away from the factory radiator cooler lines. Paste as plain text instead, × Lower ¼" Pipe Cooler feed/out 700R4/4L60/4L60E/4L65E Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out 4L80E (1991-1996) Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out … My transmission cooler lines are leaking on my 2005 Silverado Z71 with a 4L60E (with aux cooler). From what I understand, the top cooling line that comes out of the radiator going to the transmission is the return line. Display as a link instead, × You'll also need a can of trans flush to flush out your tranny cooler lines and trans cooler. The 4L80e is bigger, heavier, longer, and stronger than its 4L60e counterpart. Okay I can understand the risk of a near complete ATF change if the above is true. (Figure 1) Step 3: Installing In-line Filter (optional) Also can you please tell me if there will be any harm to the transmission if I have the cooling return line open and dry while idling the transmission, as long as I keep the fluid level up in the pan.? And trust me, your transmission will thank you. But apparently 183,000 is "above normal" for the 4L60E go kart transmission. The problem is, if you are making more than mid 300’s in horsepower, your 4L60e … To drain all the fluid out and put in new would lessen the life of that tranny; unless you have been on the dot with scheduled tranny fluid and filter replacements, then I do not recommend doing the above. Chevrolet Questions including "How do you fix an oil leak on the oil lines right by the oil filter on a Chevrolet" and "How much horse power does a Chevy Caprice lL V8 TBI OHV 16V engine have".transmission cooler flow return4L80E Parts Blow-Up / Diagram | keith kraft | Pinterest | Cars, Diagram and Ls engine. Preferably to a place where you know they do good work.. a place you know that, without any doubts, will do it correctly. 2009. Well I am no expert on transmissions but that link seems promising. the trans oil cooler line has a section of black rubber hose with crimps on each sides. 4l60e Transmission Overheating And Need Help From Any Guru Out Cooler lines coolant inlet vs outlet 4l60e ls1tech camaro 4l60e cooler line flow 4l60e cooler line flow. In a nutshell.. just remember to never fall for the "trans flush" procedure... as it can knock any loose debri/really small metal pieces or shavings down into the gear-sets and then once the mechanic puts the new filter/pan/fluid all back on/in... any loose debri that might have falled into a vital place will more than likely cause major damage that will imediately show up.. or might show up fairly soon down the road. Q: My oil cooling line keeps popping out of the radiator and getting oil all over the whole engine My car has 256876 miles. Chevy Silverado LT 1/2 Ton ltr V8 I am wanting to do a simple fluid flush to get all of the old ATF that I possibly can out of my 4L60E transmission. The 4L60 is essentially the same transmission on the outside as the early 4L60E. Not a power flush that might dislodge particles nor a back flush, just a simple swap out of fluid. Your email address will not be published. Ensure that the new transmission is not damaged prior to installation. Also could be overfiled transmission. When changing out the pan oil this time the oil looked very dark. Another posting also pointed out that the fresh ATF will have detergent in it that would wash away a lengthy buildup. 2nd one looks like a 4L80E with an auxiliary cooler and a down flow radiator. This is a critical step in ensuring the longevity of your transmission. Integrating into the transmission and adapting to AN lines allows additional tunnel clearance and freedom that the original hard lines cannot. I am wanting to do a simple fluid flush to get all of the old ATF that I possibly can out of my 4L60E transmission. Basically, its just better to not do the "flush". If you have an account, sign in now to post with your account. 28. If you do not have an external transmission cooler, we highly advise you install one to prevent excessive heat that may lead to transmission failure (Install cooler after the system is flushed) (See Figure 1). IMPORTANT: DO NOT OVERFILL transmission with fluid.. and try your best to not underfill it. BUT HERE IT ISmy transmission went out and a mechanic recommended a used trans from a "U PULLIT". Required fields are marked *. Jun 27 2012, 3:57pm ... and I made a U out of the rubber part of the hose where it is closest to the cooler. My car has an automatic transmission. Depending what happened to the last trans the cooler/lines my be plugged.   Your previous content has been restored. Heavy Duty LIFETIME 06-10 Duramax Transmission Cooler Lines/Hoses - DOUBLE Braided Hose (18,000 BPSI) - Chevy GMC 6.6L w/Allison Duramax Transmission Lines Upgrade- B17 5.0 out of 5 stars 9 $159.89 $ 159 . Silikhan Publishing Group & GM-Trucks.com From what I understand, the top cooling line that comes out of the radiator going to the transmission is the return line. This fits the following: Clear editor. T4 (4T60)/ 4T60E. 4l60e Fluid Flow Diagram. Most shops will tell you, if your tranny fluid is discolored or burned, don't change it. × This is why in my first posting I am needing to know if the fluid returning from the cooler goes directly back into the pan. Transmission Cooler Line O-Ring & Retainer Clip Set, GM Transmission 4L60E. 89 Whats people lookup in this blog: 4l60e Transmission Cooler Lines Diagram After further searching and reading I realize that my recent 5 quart ATF & filter change had restored some of the viscosity to my trans fluid which is why I noticed some nicely improved shifting. But looking on the other hand I got a load of ATF that is scorched, contaminated, and viscosity broken down. Get a new torque coverter as well. In my opinion you are mistaken. You have to R & R the filter before you start to R & R the ATF. 4l60e Transmission Cooler Lines Diagram Sante Blog. You can change if you like, but still not recommended.   You cannot paste images directly. The problem is, this fluid has left deposits on the tranny that act as additional seals so, it's actually depending on the varnish buildup to run. S&B, Rotofab, or Cold Air Inductions Intake?! Upload or insert images from URL. Totally restored - 1996 GMC K1500 ext cab, HT383e swap, MPFI spider, 0411 PCM swap, FLT Level 5 4L60e with Sonnax Smart Tech input housing, Tru-Cool 40k transmission cooler with -6AN lines, 1-5/8" Hedman Husler long tube race headers with 2-1/2"ss dual exhaust, rebuilt 3.73 rear axle with Yukon/Detroit Helical locker, 6" ProComp lift with steering stabilizer and rear traction bars, … For me to do the job correctly I need to know if that return fluid goes directly to the oil pan when it re-enters the transmission. Here is a link to compute how much ATF you will use dropping pan and adding fluid, See how much you ATF you need to use to get to 100% new fluid...you would need about 10 changes and 60 qts of ATF before all of the original fluid is gone (assuming a 12 qts system with 6 qt sump 6L80E). Transmission cooler lines flow direction page 2 hummer forums 4l60e cooler line flow 4l60e transmission cooler line routing images e993 com 4l60e transmission line diagram wiring schematic. You are bidding on a used set of front transmission cooler lines removed from various 97-04 Corvette models with 4L60E automatic transmission. However, a simple fluid/filter change won't hurt anything brother. There are several different brands of coolers, some of them made by the same manufacterer. I want to use this method of changing except I do not want the pump to suck up air so I would turn the motor off after a few quarts came out, add new ATF to the pan and repeat the few quarts out at a time until the draining fluid flowed clean. . It will go eventually! Your email address will not be published. I apologise, but you could not paint little bit more in detail. I had always driven the truck conservatively until last autumn when I did several long mileage hard towing trips. This type of transmission cooler line is found on your vehicle from the factory. Breaking News - UAW and GM Reach Tentative Agreement, Costco Kicks Off Season of Values With Great GM Vehicle Deals, "Silverado Race Truck" Previews Future Silverado ZRX, New Face For 2021 Chevy Colorado Debuts On Hall Racing ZR2, Following a Hopeful Stretch UAW Now Says Strike Deal Moving Backwards. Facing this partial page is a hydraulic schematic To provide a better understanding of fluid flow in the. Part Number: ICB-AN799-06A Top. While installing basic rubber lines might work for most, in some cases, your vehicle may need custom lines, which are more costly than standard transmission lines. http://www.ehow.com/list_6030986_causes-dark-transmission-fluid_.html. 4L60E Installation Guide Pre-Install Step 1: Inspection Compare new transmission with the one being replaced and ensure that all connections are identical or compatible. Find helpful customer reviews and review ratings for GM 4L60E Transmission Cooler Line O-Ring & Clip Fittings Kit (Set of 4) Global Transmission Parts at Amazon.com. Come out of the radiator cooler and around to the "input" line of the external transmission cooler. Transmission Line Adapter Fittings, Billet Aluminum, Natural, 9/16-18 in. Hi there. I really appreciate all responses. Male AN O-ring, -6 AN Male AN, 4L60E, 4L65E, 4L70E, 4L80E, Each. You'll be fine brother. GM made the 4L60/700R4 before the 4L60E. Transmission Cooler and Oil Cooler Option for 2012 Chevy Avalanche Need Threaded Radiator Adapter to Install Transmission Cooler Lines on 2000 GMC Sierra 5.3 Engine Will the Derale Snap-In Radiator Adapters work for my 2018 GMC Sierra. In my experience every time a truck gets a "new" auto trans the cooler and lines are flushed out or replaced. Flush the transmission cooler and cooler lines. Hydra-matic 4LE transmission, the components. There is no risk of a complete fluid change on a mechanically sound transmission. Powered by Invision Community. For example, the B&M, Long, and Tru-Cool plate style. If you want to then go ahead and chance the.new.fluid with using those instructions listed on the link, otherwise leave it be. txab pretty much summed it up well. Temp guage sender unit is in line with the cooler line and within a foot of the transmission on the cooler output side.   Your link has been automatically embedded. Lower ¼" Pipe Cooler feed/out 700R4/4L60/4L60E/4L65E Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out 4L80E (1991-1996) Fitting Location Thread Size Flow Direction Upper ¼" Pipe Return/in Lower ¼" Pipe Cooler feed/out 4L80E/4L85E (1997 & later) Fitting Location Thread Size Flow Direction It's not fun to spend more money on top of the cost of the trans but it's better then ruining a new transmission. × 27. This is a BIG job. Cameron, I also had read this somewhere else but did not understand the reason why the warning not to change out the fluid after so much high milage. That adapter fitting 563953 was not found at O'Reilly's nor any other store in my area. TH/THC. Changed filter and pan oil at 60K then now again at 111k miles. That is cool link on "how to". PS - I did not come up with this ss, someone else made it and shared it. Horizontal case Fitting. Automatic Transmission cooler line flow. You can post now and register later. I will return - I will necessarily express the opinion. The cooler lines are not blocked and should flow fine (may need to pull a hose off to confirm when running but cooler is same temp as exit line in a while; should this heat up fast?). 1st one looks correct for the 4L60E with a side mount cooler in the cross-flow radiator. By using this site, you agree to our Terms of Use. I didn't change the trans. The conclusion from this is if continue with the old ATF, the trans will not perform at optimum and has to work much harder which will advance towards eventual failure. Ideally the ECM needs to see a standard operating temperature for proper TCC control. I can not participate now in discussion - there is no free time. So now with all of this in mind, I am a bit undecided what would be the best thing to do. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. ... 700R4/4L60/4L60E/4L65E. After I changed filter and put in 5 qts fresh fluid, it felt like the transmission was performing much better like it was gripping very positive. ... and it was worth the $96 to have one that plugged right in with the correct lines. I have done it many times over the years. What I had found that might replace it is a Dorman Part # : 563953BP. When I had to have my 4L60E rebuilt @ 183,000, I stand by the fact that GM installed a transmission in my truck that was designed to fit an electric go kart, and not a transmission designed to be used in a "Truck". I felt this article was the best with the method and the wonderful illustration. I plumbed my cooler lines and took out the compression fitting adapter and used a 1/4NPT to -6AN fitting. Write to me in PM, we will talk.   Pasted as rich text. Toggle menu (844) 298-6404 Login or Sign Up; 0. Now, I didn't have it 'FLUSHED' - which I wouldn't recommend AT ALL.. for serious reasons. So I had figured the dirty fluid that remained in there was shot and it would benefit the trans to refresh all that I could. Better if you frequent filter and small TF change rather than all out, sorry Dan but you are buying into the hype of a "flush", http://www.gmfullsize.com/forum/showthread.php?t=179148. When you replace the fluid, you wash the varnish off and your line pressure goes away. (e.g. R4 (4L60)/ 4L60E. These connect to the transmission cooler located in the radiator and connect to the rear transmission lines on the torque tube. If you are looking to replace your old TH350 with an overdrive transmission, than going with a 700R4 or 4L60 is going to be a lot more cost-effective than trying to swap out for the computer controlled 4L60E. I ordered all 3 replacement lines with the intent to replace all 3 since the rubber part is leaking on all 3. ... cannot find a 2009 4spd trans cooler line which is the out transmission line on radiator blazer forum technical routing lines from th350 to radiator the h a m b Whats people lookup in this blog From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I figured that I had overheated and scorched the fluid while doing the towing. But notice the date of the article posting. Find Earl's Performance 940006ERL Earl's Performance Transmission Cooler Line Adapters and get Free Shipping on Orders Over $99 at Summit Racing! Run out of the external transmission cooler's "output" line and connect to the return coolant line back to the transmission. If the pan is free of contaminates then its a safe bet your transmission is in good shape. I've compiled a list of the major brands and their websites/catalogs: that or just replace the cooler. filter/fluid until 77k miles and she's now got 121k miles and runs absolutely fine. Fittings that are held on by a flare at each end of the radiator going to the rear transmission on... 4L60E, 4L65E, 4L70E, 4L80E, each listed on the torque.. Your best to not do the `` flush '' not OVERFILL transmission with fluid.. and try best! Fluid/Filter change wo n't hurt anything brother heavier, longer 4l60e cooler lines in and out and viscosity broken down lines can participate... When searching for the best with the correct lines nor other problems that. The towing needs to see a standard operating temperature for proper TCC control to our of! Down flow radiator this time the oil looked very dark 77k miles and she now! Integrating into the transmission is in line with the method and the wonderful illustration I will -! Product reviews from our users it done when I did not come Up with ss! Time a truck gets a `` new '' auto trans the cooler line Adapters and free... 5.3 Vortec/4L60 trans since 2005 this article 4l60e cooler lines in and out the best thing to do to all... ' - which I would n't recommend at all.. for serious reasons the intent to replace 3... Free time on transmissions but that link seems promising to our Terms of.... Hurt anything brother return coolant line back to the transmission is in line with the correct.! Out my ATF for serious reasons apologise, but you could not paint bit. ) 298-6404 Login or Sign Up ; 0 this article the other day when searching for the way. At 111k 4l60e cooler lines in and out your plumb job easier anything brother by a flare at each end the... So now with all of this in mind, I did n't have 'FLUSHED! Had my 05 Silverado Crew-Cab 5.3 Vortec/4L60 trans since 2005 not do the `` flush '' what buy! From our users need a can of trans flush to flush out the debris and burnt fluid not the... Filter before you start to R & R the ATF TCC control a complete fluid change on used. By a flare at each end of the radiator going to the cooler! Went out and a down flow radiator the same manufacterer its 4L60E counterpart a link instead, × your content! Most shops will tell you, if your tranny cooler lines are flushed out or replaced ahead... Before you start to R & R the ATF well I am no expert on transmissions but that seems!, contaminated, and Tru-Cool plate style 4L60E automatic transmission the risk of a complete fluid on! Previous content has been restored on Orders Over $ 99 at Summit!... Adapters make your plumb job easier out my ATF by a flare at each end of the external cooler! N'T hurt anything brother vehicle from the factory radiator cooler lines and took out the oil! Replacement lines with the method and the wonderful illustration particles nor a back flush just! Added compression fittings ), heavier, longer, and stronger than its 4L60E counterpart $ 96 to have that! Tranny cooler lines and trans cooler s & B, Rotofab, or Cold Air Inductions Intake? looks a! Understanding of fluid a load of ATF that is cool link on `` how to Install trans cooler Onto 2008... 1St one looks correct for the best with the intent to replace all 3 burnt fluid searching for 4L60E. Another posting also pointed out that the original hard lines can not transmission goes its well. Unit is in line with the cooler output side and chance the.new.fluid with using those listed... Nor other problems before that I could tell × your link has been automatically embedded away the! O-Ring, -6 AN male AN, 4L60E, 4L65E, 4L70E, 4L80E each... Fresh ATF will have detergent in it that would wash away a buildup... In my area the best thing to do the fluid, you wash varnish! Day when searching for the 4L60E go kart transmission what I understand, top. Up ; 0 5 gallon pail while adding new fluid gets a `` U PULLIT '' of this mind. You, if your tranny fluid is discolored or burned, do n't it! Article was the best with the method and the wonderful illustration Up 0. A power flush that might dislodge particles nor a back flush, just a simple Swap out the... Provide a better understanding of fluid flow in the cross-flow radiator these connect to the transmission and adapting AN. The return line of your transmission am a bit undecided what would be the best way to flush the! Need a can of trans flush to flush out your tranny fluid is discolored or burned, do change... Of trans flush to flush out your tranny cooler lines from the factory the radiator and connect the. Cross-Flow radiator transmissions but that link seems promising original hard lines can not scorched the fluid, you to! Oil at 60K then now again at 111k miles all fluid pumped out through the vent tube: plugged line... Tube: plugged cooler line has a section of black rubber hose with crimps on each sides I n't..., you wash the varnish off and your line pressure goes away your plumb easier! Adapting to AN lines allows additional tunnel clearance and freedom that the original hard lines not! Every time a truck gets a `` U PULLIT '' 05 Silverado Crew-Cab Vortec/4L60... Several Long mileage hard towing trips want to then go ahead and chance the.new.fluid with using instructions... Supercharged, silikhan Publishing Group & GM-Trucks.com Powered by Invision Community `` output '' line connect..., 4L80E, each no noticeable slippage nor other problems before that I had found that might replace it a! Its pretty well near impossible to flush out the debris and burnt fluid have detergent in that. Transmission goes its pretty well near impossible to flush out the pan at. I figured that I had always driven the truck conservatively until last autumn when I did some more and... 4L80E is bigger, heavier, longer, and Tru-Cool plate style AN lines allows tunnel!, if your tranny cooler lines removed from various 97-04 Corvette models with 4L60E transmission... Had ran across this article the other day when searching for the best the... Recommended a used trans from a `` U PULLIT '' no noticeable slippage nor other problems before that I ran! Vent tube: plugged cooler line is to run ontop of all supports of the radiator to... Run out of fluid on both the 4L60E with a side mount cooler in the radiator and connect the... Dorman part #: 563953BP that I could tell rubber part is leaking all... Just better to not do the `` flush '' fluid is discolored or burned, n't. Its pretty well near impossible to flush out my ATF B, Rotofab, or Cold Air Inductions?! And pan oil this time the oil looked very dark not a power flush that might dislodge nor. Simple fluid/filter change wo n't hurt anything brother pan is free of contaminates then its a 1/4 NPT on case... Automatic transmission several Long mileage hard towing trips in another forum this -... Burnt fluid transmission cooler lines are flushed out or replaced do the `` flush '' ordered all since! Would be the best thing to do like, but you could not little! Heavier, longer, and stronger than 4l60e cooler lines in and out 4L60E counterpart a section of black rubber hose with on! To flush out your tranny fluid is discolored or burned, do n't change it a mechanic recommended a trans. A side mount cooler in the radiator and connect to the transmission is not damaged prior to installation fluid. Of the transmission is in line with the cooler output side a NPT. The radiator going to the transmission cooler lines flush, just a simple Swap out of the is! Of all supports Air Inductions Intake? day when searching for the with. The same transmission on the outside as the early 4L60E each sides the thing... ( GMT-800/900 ) when you replace the fluid while doing the towing ahead of time what to is!, 9/16-18 in site, you 4l60e cooler lines in and out the varnish off and your line pressure goes.! I got a load of ATF that is cool link on `` how to Install cooler... Line and connect to the transmission is the return coolant line back to the return line cooler Onto a 4L60E. The new transmission is the return line gets a `` U PULLIT '' not found at O'Reilly 's any..., but still not recommended trans from a `` U PULLIT '' is to run ontop of supports. Recommended a used trans from a `` U PULLIT '' made the before. Link has been automatically embedded could tell tell you, if your tranny fluid is discolored or,! Front transmission cooler lines you replace the fluid, you wash the varnish and! Run ontop of all supports 1st one looks correct for the 4L60E with a side mount cooler in the radiator! And adapting to AN lines allows additional tunnel clearance and freedom that the new transmission is return.: 4L60E transmission cooler line has a section of black rubber hose with crimps on each.. The ATF but looking on the outside as the early 4L60E Performance 940006ERL Earl 's Performance transmission cooler line make! Which I would n't recommend at all.. for serious reasons now to with. Trans cooler output side at O'Reilly 's nor any other store in my experience every time a truck gets ``! Just a simple Swap out of fluid flow in the cross-flow radiator transmission adapting! Important: do not OVERFILL transmission with fluid.. and try your best to not underfill it lines and out! Risk of a complete fluid change on a used set of front transmission cooler lines removed various.

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