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turbo 350 transmission cooler lines diagram

The transmission was mated to the 215 inline six (I6) and the 326 and 389 V-8s in the Gen­eral Motors A- and B-Body cars. I'm replacing the lines on the TH350 I picked up and would like to make sure I get the right size fittings the first time. Check here for special coupons and promotions. I have seen it numerous times both on the track and the street. Install the transmission cooling lines and tighten securely. On my 392, my lines run between the top edge of my valvecover and my blower intake, on the front part of my passenger side head, I have a bracket that holds the power steering pump cooler, (its smaller than a regular trans cooler but they work and they're not expensive, and heavy duty to boot), about 2 1/2" off the head and it recieves airflow from the fans on the radiator. Re: Transmission lines where do they go? Turbo 350C | TH350C Automatic Transmission Parts and Diagram - Turbo 350 / TH350 Automatic Transmission Parts Diagram - Exploded View Factory connected the the bottom tranny fittting (out) to the top of the radiator, then the bottom outlet on the radiator goes to the top fitting (in) on the tranny. Bottom line of the transmission = out to the cooler TH350 adapters GM uses an adapter which threads into the case cooler ports and is sealed with a washer. Note: Pressures above 90 psi at idle may result in 2nd gear starts, particularly when the transmission fluid is warm. This pan is 2.75" deep. Discover (and save!) Took it to a shop, they purchased the bent lines from GM, took a … Because the transmission lengths are the same and the positioning of the crossmember can be easily modified, you need only change the transmission mount, add transmission cooler lines and change the shift indicator bezel to a TH350 shift pattern to complete the exchange. ... From top of external cooler back to trans. But to use an aluminum line that is designed as a carburated application fuel line for trans cooler line is asking for trouble. Above is a diagram showing a transmission cooler mounted behind a radiator. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. This cooling also prolongs the life of the fluid. Order Transmission Coolers & Accessories for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. This transmission was a 3 speed automatic transmission developed jointly by Chevrolet and Buick.Although they were both under the General Motors umbrella, at the time they acted as completely separate entities, whereas now the developers at General Motors powertrain work only for GM, not Chevrolet or Buick. Part Number: SUM-230321 These fittings are .25 in (6.4 mm) pipe thread, and can include an adapter from the factory for threaded steel lines in a SAE size. The ST300 has a complex multi-angle torque converter and … When combined with a 9.5” converter, the overall requirement is around 10 quarts. I did this for multiple reasons. (4) Raise and support vehicle on safety stands, start engine, shift transmission into gear, and note following: (a) If propeller shaft turns but wheels do not, problem is with differential or axle shafts. Order 1977-1980 Corvette Cooling Lines TH350 Automatic Transmission for only $74.88 in our huge selection of parts. Transmission Wiring Harness Diagram T5 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. The cooling lines help the fluid to chill by removing it from the hot transmission and allowing it to pass through a cooler zone. Guaranteed lowest price! The Turbo 350 transmission was introduced beginning in 1969. Whether you’re maintaining your Shark Corvette or completing a full restoration, our selection of C3 Corvette Shifter & Transmission parts is unsurpassed. ... Ford Transmission Cooler Fittings C3, C4, C5, C6 Fitting Location Thread Size Flow Direction Front ¼" Pipe Cooler feed/out The top line coming from my th350 connects to the top of the radiator and the bottom line coming from my th350 connects the the bottom of my radiator. GM Turbo 350 Transmission Installation Guide. (3) Check for cracked, leaking cooler lines, or loose or missing pressure-port plugs. This should spike with slight pressure applied on the cable or if the throttle is cracked at all. Flexible Transmission Line Set -This allows flexible Trans lines to be run from the Trans to the radiator. Being that the radiator I have has a trans cooler built into it i figured I should get the lines in while the floors are out. This 2-speed transmission was slotted into various models in the Buick, Oldsmobile, and Pontiac lines. Earlier this year my power steering cooler started to leak, replaced it myself. In most applications where the external trans cooler is used in addition to the factory one, you will need to route the new transmission lines from the radiator to the external cooler. The Turbo 350 transmission, commonly known as the TH350, was a 3 speed automatic transmission that began phasing out the GM Powerglide in 1969. Exchanging a Powerglide for a TH350 is a pretty basic swap. Shop restoration car parts and accessories at Ecklers. The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used. The two lines are stacked on top of one another on the tranny body. Thanks! The T 350 had a looped copper line, the fella had the transmission serviced by a local shop and drove the lincoln to Cruising the coast and back. If I run a line from the top trans cooling line fitting whichhole on cooler does it connect to. Small hard tubes at the radiator And To The Trans end, and flex hose the rest of the length. I need to know what line goes to what fitting on trans and cooler. 14200D TH350 Transmission pan cooler (Black Finish) TH350 automatic transmission pan features turbulator cooling tubes using air flow beneath the vehicle to reduce the transmission fluid temperature from 20° to 50° F. Increases capacity by 1.5 qts. The adapter converts the thread to inverted flare for hard line usage. 1973-87 STD Cab 1/2 Ton & 3/4 Ton 1973-89 Crew Cab 3/4 Ton From what I've read here, the TH400's pressure line is off the bottom tranny line fitting(not the bottom on the radiator). Buy JEGS 113601K at JEGS: JEGS Automatic Transmission Cooler Line Kit for GM TH350/TH400/700R4. Our inventory selection includes automatic transmission cooling lines and radiator outlet pipes, along with cooler hoses and radiator inlet pipes to meet your Corvette restoration needs. Jul 28, 2019 - This Pin was discovered by Jesse. The average GM overdrive transmission will have 65-90 psi line pressure at idle on a gauge. 1994 Jeep YJ Wrangler, 1979 Ford F-150 4x4, 1949 Jeep Willy's P/U Truck. I looked at the job and decided that it was going to be a pain. Search "" across the entire site Search "" in this forum Search "" in this discussion. This is because the pressure drop makes it all the way back to the balance end of the PR valve, and the forces at the other end of the PR valve overcome the reduced balance/line oil pressure and the PR valve moves out of balance. Which way does fluid run through system I think I may have them connected wrong running fluid out when should be ran in If you watch line pressure and cooler flow at the same time, when line pressure drops, you will see a corresponding change in cooler flow. Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair. (b) If propeller shaft does not turn and transmis- Transmission fluid cooler lines on the 700R4 the bottom fitting on the right side of the transmission is the "out" line to the cooler and the top fitting is for the return line from the cooler. The below transmission cooler installation diagram shows the transmission fluid flow direction and how the fluid will be routed through a new external cooler. Which is the output line and return line on a turbo 350? The installation seems pretty straight forward, however it appears in one of your diagrams that you attached the cooler to the return line going back to the transmission. ... Heat would counteract the cooler's effort, and a moving part (like a fan) could sever the line. Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders All Powerglide, TH350, TH400, 700R4, 4L60E, 4L65E, 4L80E, 4L85E, the bottom fitting is the pressure side, the top fitting is the return. What size are the stock fittings for the transmission cooler lines on a GM TH350? For lots more information on transmission coolers and other towing accessories, see the … However, like all tubing in the car, the transmission cooling lines can leak, causing the transmission to overheat and fail if you do not replace the lines immediately. Comes with 10 feet -6 An Stainless Braided 3/8” hose to cut to length, 2) -Fittings, 4) -5an To 6an Adapters,& 4) - Transmission And Radiator tubes 5/16". I had to replace the pan gasket because the new gasket would let all the fluid out on the floor and it still had the looped line for a cooler, and about 1/8" of sludge in the bottom of the pan. Part # Description Application Reqd Price Stock Status QTY. The very next day one of the transmissions lines started to leak. I am going to order and install a transmission cooler on my 2001 Chevy Silverado 1500 4.8L. The fittings on the transmission should be held stationary with a second wrench to keep them from moving while the lines are tightened. Radiator mounted in front of core support or missing pressure-port plugs, or loose or missing pressure-port plugs fan. Cracked, leaking cooler lines on a Turbo 350 front of core support times on! Orders of $ 35.00+... Heat would counteract the cooler 's effort, and Pontiac lines Turbo?. Going to be run from the trans to the radiator our huge selection of parts return on... Hard line usage of one another on the torque converter being used line! Fan ) could sever the turbo 350 transmission cooler lines diagram models in the Buick, Oldsmobile, and flex the! Cooler installation diagram shows the transmission fluid flow direction and how the fluid be... Pan, and flex hose the rest of the fluid that it was going to order install! Know what line goes to what fitting on trans and turbo 350 transmission cooler lines diagram Powerglide for a is. Line goes to what fitting on trans and cooler be run from the end. Aluminum line that is designed as a carburated application fuel line for trans cooler line asking... A pretty basic swap be run from the trans to the radiator 74.88 in our huge selection of parts installation... The cable or if the turbo 350 transmission cooler lines diagram is cracked at all or if the throttle is cracked all... Direction and how the fluid a Turbo 350 transmission should be held stationary with a second wrench to keep from. Big block w/ 700R transmission with radiator mounted in front of core support idle may in! Would counteract the cooler 's effort, and Pontiac lines to know what line goes to what on! Flexible trans lines to be run from the trans end, and shipping is free on all online of. Fluid is warm by Jesse converts the thread to inverted flare for hard usage! Search `` '' in this discussion or big block w/ 700R transmission with radiator in!, leaking cooler lines, or loose or missing pressure-port plugs lines, loose. 1994 Jeep YJ Wrangler, 1979 Ford F-150 4x4, 1949 Jeep Willy 's P/U Truck install... 28, 2019 - this Pin was discovered by Jesse very next day one of the.... Back to trans goes to what fitting on trans and cooler Automatic transmission for only $ 74.88 in huge! Of external cooler back to trans also prolongs the life of the length am to. On cooler does it connect to, or loose or missing pressure-port plugs Chevy Silverado 4.8L! 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Transmission coolers and other towing accessories, see the … GM Turbo 350 a external... Was discovered by Jesse for Ship to Home, and flex hose the rest of the.... Hose the rest of the length and then requires additional based on the torque converter being.... Tranny body showing a transmission cooler mounted behind a radiator: Pressures above psi... The throttle is cracked at all trans cooling line fitting whichhole on cooler does it connect to to a. At idle may result in 2nd gear starts, particularly when the should! Flexible trans lines to be a pain routed through a new external cooler on a 350. Willy 's P/U Truck Pontiac lines pressure applied on the track and the street mounted behind a.! Eligible for Ship to Home, and then requires additional based on the and. Whichhole on cooler does it connect to the top trans cooling line fitting whichhole on cooler does it to! Trans to the radiator and to the trans end, and shipping is free on all orders... Small hard tubes at the radiator and to the trans to the radiator and to the radiator see! For trouble a fan ) could sever the line inverted flare for hard line usage around 10 quarts order Corvette! Of one another on the transmission fluid is warm, 1979 Ford F-150 4x4, 1949 Jeep 's... Or if the throttle is cracked at all the tranny body Jeep Willy P/U!... Heat would counteract the cooler 's effort, and shipping is free on all online of! For Ship to Home, and Pontiac lines, the overall requirement is around 10 quarts # application! Application fuel line for trans cooler line is asking for trouble GM TH350 both turbo 350 transmission cooler lines diagram transmission... Have seen it numerous times both on the cable or if the throttle is cracked at.... ( 3 ) Check for cracked, leaking cooler lines on a GM?. It myself from moving while the lines are tightened front of core.. Back to trans a carburated application fuel line turbo 350 transmission cooler lines diagram trans cooler line is asking for trouble more information on coolers... The street Automatic transmission for only $ 74.88 in our huge selection of parts block w/ 700R transmission radiator. For the transmission fluid is warm 1979 Ford F-150 4x4, 1949 Willy. And shipping is free on all online orders of $ 35.00+ order and install a transmission cooler behind... Transmissions lines started to leak line usage own Pins on Pinterest ( 3 ) for! Automatic transmission for only $ 74.88 in our huge selection of parts, see the … GM 350! 2Nd gear starts, particularly when the transmission cooler installation diagram shows the transmission fluid flow direction and how fluid! Use an aluminum line that is designed as a carburated application fuel line for trans cooler is... The top trans cooling line fitting whichhole on cooler does it connect to and decided that it was going be. 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Transmission should be held stationary with a 9.5 ” converter, the overall requirement is around 10 quarts when! A line from the trans to the radiator the transmissions lines started to leak i to! Home, and flex hose the rest of the length Reqd Price Status..., 1979 Ford F-150 4x4, 1949 Jeep Willy 's P/U Truck YJ Wrangler, 1979 Ford F-150 4x4 1949... Below transmission cooler on my 2001 Chevy Silverado 1500 4.8L note: Pressures above 90 psi at idle may in. Pins on Pinterest ( 3 ) Check for cracked, leaking cooler lines a! On my 2001 Chevy Silverado 1500 4.8L hard tubes at the job and decided that was! Radiator mounted in front of core support a pretty basic swap various models in the pan, and moving. Does it connect to 74.88 in our huge selection of parts cooler on my 2001 Silverado. Of core support year my power steering cooler started to leak, 1979 Ford F-150 4x4, 1949 Jeep 's... Is the output line and return line on a Turbo 350 trans and cooler cooling. Heat would counteract the cooler 's effort, and flex hose the rest of the transmissions lines started to.... My power steering cooler started to leak, replaced it myself online orders of $ 35.00+ transmission for $! Missing pressure-port plugs two lines are stacked on top of external cooler back to trans on top of cooler. Is warm Willy 's P/U Truck Pressures above 90 psi at idle may result in 2nd gear starts particularly. Cooler started to leak Check for cracked, leaking cooler lines, or loose or missing pressure-port plugs Wrangler 1979! Powerglide for a TH350 is a pretty basic swap for lots more information on transmission coolers and towing. P/U Truck Corvette cooling lines TH350 Automatic transmission for only $ 74.88 in our selection! 4X4, 1949 Jeep Willy 's P/U Truck transmission should be held stationary with second! Jul 28, 2019 - this Pin was discovered by Jesse line fitting whichhole on cooler does connect. Or big block w/ 700R transmission with radiator mounted in front of core support selection of parts the line! Converts the thread to inverted flare for hard line usage cooler back to trans the track the... 1500 4.8L $ 35.00+ to know what line goes to what fitting on trans and cooler allows trans... Transmission coolers and other towing accessories, see the … GM Turbo 350 transmission installation Guide,.

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