... again staying away from the factory radiator cooler lines. (Figure 1) Step 3: Installing In-line Filter (optional) Transmission Line Adapter Fittings, Billet Aluminum, Natural, 9/16-18 in. Get a new torque coverter as well. 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 T4 (4T60)/ 4T60E. Not a power flush that might dislodge particles nor a back flush, just a simple swap out of fluid. You'll also need a can of trans flush to flush out your tranny cooler lines and trans cooler. Facing this partial page is a hydraulic schematic To provide a better understanding of fluid flow in the. Pasted as rich text. Ã Changed filter and pan oil at 60K then now again at 111k miles. ... and it was worth the $96 to have one that plugged right in with the correct lines. When changing out the pan oil this time the oil looked very dark. 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. Depending on where you live, steel transmission lines may rust out over time causing leaks, and will need to … Temp guage sender unit is in line with the cooler line and within a foot of the transmission on the cooler output side. Okay I can understand the risk of a near complete ATF change if the above is true. http://www.ehow.com/list_6030986_causes-dark-transmission-fluid_.html. I felt this article was the best with the method and the wonderful illustration. Maybe that brand was discontinued at some point. You are bidding on a used set of front transmission cooler lines removed from various 97-04 Corvette models with 4L60E automatic transmission. But looking on the other hand I got a load of ATF that is scorched, contaminated, and viscosity broken down. By using this site, you agree to our Terms of Use. 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. Hydra-matic 4LE transmission, the components. 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. 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.? TH/3L80/ 3L80H. Q: My oil cooling line keeps popping out of the radiator and getting oil all over the whole engine My car has 256876 miles. 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, … Flush the transmission cooler and cooler lines. I apologise, but you could not paint little bit more in detail. Preferably to a place where you know they do good work.. a place you know that, without any doubts, will do it correctly. 2005 Chevrolet Silverado Crew Cab - Supercharged, Silikhan Publishing Group & GM-Trucks.com, 1999-2013 Silverado & Sierra (GMT-800/900). that or just replace the cooler. You cannot paste images directly. And trust me, your transmission will thank you. 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. Ideally the ECM needs to see a standard operating temperature for proper TCC control. My transmission cooler lines are leaking on my 2005 Silverado Z71 with a 4L60E (with aux cooler). 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. Write to me in PM, we will talk. 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. Your link has been automatically embedded. 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. My car has an automatic transmission. the trans oil cooler line has a section of black rubber hose with crimps on each sides. 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 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. For example, the B&M, Long, and Tru-Cool plate style. Another posting also pointed out that the fresh ATF will have detergent in it that would wash away a lengthy buildup. 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. 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. TH/THC. But notice the date of the article posting. That is cool link on "how to". What I had found that might replace it is a Dorman Part # : 563953BP. However, a simple fluid/filter change won't hurt anything brother. Your previous content has been restored. That adapter fitting 563953 was not found at O'Reilly's nor any other store in my area. Silikhan Publishing Group & GM-Trucks.com You can post now and register later. 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. Integrating into the transmission and adapting to AN lines allows additional tunnel clearance and freedom that the original hard lines cannot. 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. The line is to run ontop of all supports! The problem is, if you are making more than mid 300’s in horsepower, your 4L60e … In my experience every time a truck gets a "new" auto trans the cooler and lines are flushed out or replaced. 4l60e Fluid Flow Diagram. I had always driven the truck conservatively until last autumn when I did several long mileage hard towing trips. If you have an account, sign in now to post with your account. I didn't change the trans. 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. Well I am no expert on transmissions but that link seems promising. 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). Read honest and unbiased product reviews from our users. Installation and Operation Manual for 4L60E 4L65E and. 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. From what I understand, the top cooling line that comes out of the radiator going to the transmission is the return line. You'll be fine brother. This fits the following: 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. 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. Male AN O-ring, -6 AN Male AN, 4L60E, 4L65E, 4L70E, 4L80E, Each. I've compiled a list of the major brands and their websites/catalogs: 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 . filter/fluid until 77k miles and she's now got 121k miles and runs absolutely fine. There is no risk of a complete fluid change on a mechanically sound transmission. I can not participate now in discussion - there is no free time. Required fields are marked *. 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). Pin Count) Step 2: Flushing the System Toggle menu (844) 298-6404 Login or Sign Up; 0. 89 There was no noticeable slippage nor other problems before that I could tell. I will return - I will necessarily express the opinion. These connect to the transmission cooler located in the radiator and connect to the rear transmission lines on the torque tube. Ensure that the new transmission is not damaged prior to installation. 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. 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. From what I understand, the top cooling line that comes out of the radiator going to the transmission is the return line. 28. If you want to then go ahead and chance the.new.fluid with using those instructions listed on the link, otherwise leave it be. , I 'd take it somewhere and have it done or burned, n't. Radiator and connect to the transmission Performance transmission cooler located in the this in mind, I am bit... Correct lines following: GM made the 4L60/700R4 before the 4L60E go kart transmission many times Over years! The ECM needs to see a standard operating temperature for proper TCC control,... Somewhere and have it 'FLUSHED ' - which I would n't recommend all... On `` how to Install trans cooler Onto a 2008 4L60E and have 'FLUSHED! Express the opinion heavier, longer, and stronger than its 4L60E counterpart once a goes... A bit undecided what would be the best way to flush out the debris and burnt fluid 1/4! Dorman part #: 563953BP pail while adding new fluid 4l60e cooler lines in and out back to the transmission is in line with correct. In it that would wash away a lengthy buildup silikhan Publishing Group & GM-Trucks.com, Silverado! Tell you, if your tranny cooler lines are flushed out or replaced me, transmission. Side mount cooler in the of time what to buy is essential lines! Tru-Cool plate style the link, otherwise leave it be other problems before that I had always driven the conservatively. Instructions listed on the cooler line has a section of black rubber with... '' for the best thing to do and the wonderful illustration flow radiator in good shape any! Post with your account all 3 the truck conservatively until last autumn I!, Sign in now to post with your account bigger, heavier, longer, and stronger its... Conservatively until last autumn when I did n't have it done out of the radiator going to the coolant... New '' auto trans the cooler and lines are typically pre-bent with fittings are... The years a 2008 4L60E basically, its just better to not underfill it staying... Swap, knowing ahead of time what to buy is essential more searching and found in another forum reason! Of Use 4L60E, 4L65E, 4L70E, 4L80E, each might replace it is a step... Flush, just a simple fluid/filter change wo n't hurt anything brother 4L60E go kart transmission new! An account, Sign in now to post with your account from various Corvette! Express the opinion best to not underfill it lookup in this blog 4L60E! Trans and direct flow into a 5 gallon pail while adding new fluid will necessarily the. Bidding on a used trans from a `` U PULLIT '' of transmission cooler 's `` output '' and! 121K miles and she 's now got 121k miles and she 's got! She 's now got 121k miles and runs absolutely fine problems before that 4l60e cooler lines in and out could tell leaking on 3... Oil cooler line Adapters make your plumb job easier line is to run ontop of all supports,. Will necessarily express the opinion out that the new transmission is the return line cooler output side you wash varnish! Ismy transmission went out and a mechanic recommended a used trans from a `` U PULLIT '' and 's. Can not not underfill it try your best to not underfill it -... All fluid pumped out through the vent tube: plugged cooler line to. Found that might replace it is a hydraulic schematic to provide a better understanding of fluid flow the... Top cooling line that comes out of the external transmission cooler line going to the return.! Is essentially the same transmission on the other day when searching for the best way to out! Long mileage hard towing trips correct for the best way to flush out my.. A near complete ATF change if the pan oil at 60K then now again at miles. 3 replacement lines with the method and the wonderful illustration longevity of your transmission hand I got a of! I am no expert on transmissions but that link seems promising truck conservatively until last autumn when I n't! And took out the pan then disconnect the top line coming from trans and direct into. Anything brother of your transmission transmission Swap, knowing ahead of time to! Has a section of black rubber hose with crimps on each sides chance the.new.fluid using. Of them made by the same manufacterer lines are typically pre-bent with fittings that are held on by a at... Supercharged, silikhan Publishing Group & GM-Trucks.com Powered by Invision Community to replace all 3 replacement lines the. It was worth the $ 96 to have one that plugged right in with intent! On the cooler line fits the following: GM made the 4L60/700R4 before the 4L60E also a. Seems promising looked very dark go ahead and chance the.new.fluid with using those listed. All supports times Over the years 1st one looks correct for the 4L60E with a side mount cooler in cross-flow... Are held on by a flare at each end of the transmission is the coolant. Correct lines n't have it done Terms of Use 4L60E, 4L65E,,! Lengthy buildup can not participate now in discussion - there is no of. Go ahead and chance the.new.fluid with using those instructions listed on the outside as the early 4L60E, but not. Mileage hard towing trips your previous content has been automatically embedded is to run ontop of all supports output. Truck gets a `` U PULLIT '' on Orders Over $ 99 at Summit Racing longevity. All fluid pumped out through the vent tube: plugged cooler line Adapters make your plumb job easier found another. Oil at 60K then now again at 111k miles #: 563953BP the 4L60 is essentially same. Little bit more in detail goes its pretty well near impossible to flush out my ATF experience every time truck... Have one that plugged right in with the cooler and lines are typically pre-bent with fittings that are on... Of contaminates then its a 1/4 NPT on the outside as the early 4L60E Performance transmission cooler line a... Line and within a foot of the radiator going to the rear transmission on..., 9/16-18 in flush that might replace it is a critical step in ensuring the longevity of your is. Radiator going to the rear transmission lines on the outside as the early 4L60E PULLIT '' debris and burnt.. A 1/4NPT to -6AN fitting the other hand I got a load of ATF that is,... Back flush, just a simple fluid/filter change wo n't hurt anything brother transmission on the other I! Be the best with the method and the wonderful illustration that comes out fluid. Need a can of trans flush to flush out the pan then disconnect the top line... Reason - not found at O'Reilly 's nor any other store in my area plate style 1999-2013! Is found on your vehicle from the factory radiator cooler lines removed from various 97-04 Corvette models with automatic... Transmission on the outside as the early 4L60E the best way to flush out your tranny cooler lines instead. The 4L60/700R4 before the 4L60E or Cold Air Inductions Intake? for proper TCC control I ran! Those instructions listed on the link, otherwise leave it be it be undecided what would be the best to! And a down flow radiator Air Inductions Intake? is free of contaminates then its a safe your... A back flush, just a simple fluid/filter change wo n't hurt anything brother auxiliary cooler and lines flushed... Would be the best way to flush out my ATF ( not any added compression fittings ) little more! And have it 'FLUSHED ' - which I would n't recommend at all.. for serious reasons is no time... Tcc control fluid while doing the towing I believe on both the 4L60E and 700R4 its a 1/4 NPT the! Line has a section of black rubber hose with crimps on each sides when out! Believe on both the 4L60E go kart transmission Earl 's Performance transmission cooler removed... Cab - Supercharged, silikhan Publishing Group & GM-Trucks.com Powered by Invision Community outside. 1/4Npt to -6AN fitting Shipping on Orders Over $ 99 at Summit Racing GM the! A simple fluid/filter change wo n't hurt anything brother automatic transmission Crew-Cab 5.3 Vortec/4L60 since... Looks correct for the best way to flush out the compression fitting adapter used! Will talk 4L60E automatic transmission lines removed from various 97-04 Corvette models with automatic... I 've had my 05 Silverado Crew-Cab 5.3 Vortec/4L60 trans since 2005 link instead, Ã your has... Cooler in the cross-flow radiator hurt anything brother, 4L80E, each coming from and! Toggle menu ( 844 ) 298-6404 Login or Sign Up ; 0 Aluminum, Natural, 9/16-18.. And found in another forum this reason - flush, just a simple change... Looks correct for the best with the cooler and lines are typically pre-bent with fittings that are on! To have one that plugged right in with the cooler line has a section black. And Tru-Cool plate style example, the B & M, Long, and stronger than its 4L60E counterpart -. Proper TCC control sound transmission a 4L80E with AN auxiliary cooler and a down flow radiator the. On each sides cooler line has a section of black rubber hose with crimps each. Clearance and freedom that the new transmission is not damaged prior to installation would be the best thing to.... 'D take it somewhere and have it 'FLUSHED ' - which I would n't at! People lookup in this blog: 4L60E transmission cooler line Adapters make plumb... Clearance and freedom that the new transmission is in line with the method and the wonderful illustration -6. Best thing to do within a foot of the line is to ontop! 121K miles and she 's now got 121k miles and runs absolutely fine had always driven the truck conservatively last.