September 30, 2005
Anatomy of a Transmission: Oil Flow in the Pump-PR-Converter-Cooler Lube Circuits
Gregg Nader
Symptoms:
- 2nd Clutch distress
- 3rd Clutch distress
- Low cooler flow
- Low line rise
- Low Reverse boost
- Soft shifts
- Converter shudder
- Overheated converter
- Code 39, 740, 1870
- Falls out of lockup when hot
Warning:
Required tool kit 84754-TL5 is no longer in production. Check with your distributor for availability.
4T60-E
The Sure Cure® Kit
Part No. SC-4T60E
Fits '93–'96 units.
-
Tooling:
- 84754-TL5
View Instructions Find a Distributor
Sonnax Sure Cure Kits combine the best Sonnax products into one box, offering rebuilders a convenient and cost-effective way to address common transmission problems. These kits simplify ordering, stocking and estimating job costs, and include easy-to-read, step-by-step instructions that cover the inspection and repair of the most critical areas of the unit, and even a reference list of rebuilding specifications.
This kit is fully compatible with '93-'96 units, which are identified by a steel TCC apply valve that will fit in a 15mm wrench. For '97 & later units with an aluminum TCC valve that will not fit inside 15mm wrench, use SC-4T60E-1.
- 1-2 Roller Clutch Spring Kit
- Thrust Washers (2) Differential Side Gear
- Pump Slide Pivot Pin
- Modulated Line Boost Valve Kit
- Reverse Boost Valve Kit
- TCC Regulator & Isolator Valve Kit
- Oversized TCC Apply Valve Kit
- Checkball .375" Dia.
- Checkballs (9) .250" Dia.
- Shim Input Clutch Hub .010"
- Shim Input Clutch Hub .020"
- Shim Differential Carrier-to-Case
- Retainer Clip Boost valve
Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.
GM 4T60, 4T60-E Valve Body Layout
-
Patent
- 6,832,671
The Sure Cure®
Comprehensive Kit for Big Problems You Don't Want Back
Knowing exactly what parts to replace in troublesome transmissions is an ever-increasing challenge, but Sonnax Sure Cure kits solve this problem for you. Each kit is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance.
Related Sonnax Parts
Required
Recommended
200-4R, 45RFE, 46RE, 46RH, 47RE, 48RE, 4L60, 4L60-E, 4L65-E, 4L70-E, 4L80-E, 4L85-E, 4R100, 4R44E, 4R55E, 4R70E, 4R70W, 4R75E, 4R75W, 4T60-E, 4T65-E, 545RFE, 5R44E, 5R55E, 60-40LE, 60-41SN, 65RFE, 66RFE, 68RFE, 6F35 (Gen. 1), 6F35 (Gen. 2), 6F50, 6F55, 6L45, 6L50, 6L80, 6L90, 6T30 (Gen. 1), 6T30 (Gen. 2), 6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 1), 6T45 (Gen. 2), 6T50 (Gen. 1), 6T50 (Gen. 2), 6T70 (Gen. 1), 6T75 (Gen. 1), A340E, A340F, AODE, E4OD, TH200, TH200C, TH400, TH425
Checkball 10000-08
Imidized Plastic, .250" Dia.
- Material: Imidized Plastic
- Dia.: 0.250"
-
Helps cure:
- Lost or damaged component
Required
Recommended
3T40 (TH125C), 4T60, 4T60-E, 4T65-E
Differential Carrier-to-Case Shim 75410-10
- Material: Steel
- Thickness: 0.010"
- Inner Dia.: 1.445"
- Outer Dia.: 2.170"
-
Helps cure:
- Driveline noise
- Excess backlash
- Reduced differential bearing life
Required
Recommended
4T60, 4T60-E
Differential Side Gear Thrust Washer 75890-30
- Material: Steel
- Outer Dia.: 2.188"
- Inner Dia.: 1.410"
- Thickness: 0.031"
-
Helps cure:
- Excess differential/axle backlash
- Differential side gear thrust washer failure
- Washers not serviced separately
Required
Recommended
4T60, 4T60-E
Oversized TCC Apply Valve Kit 84754-16K
'96-Earlier with steel valve
- Material: Steel
-
Helps cure:
- Code 39, 740, 1870
- Falls out of lockup when hot
- Overheated converter
- Shudder
- Low cooler flow
Required
Recommended
Required
Recommended
