Toyota/Lexus U660E/F Vacuum Test Guide
Vacuum testing is an efficient way to identify the root cause of transmission problems and evaluate the effectiveness of repairs. Frequent, proper vacuum testing can put money in the bank, improve turnaround time in your bays, and prevent costly comebacks.
See how easy it is to master vacuum testing and work with confidence knowing your rebuild is done right the first time.
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Related Units
Related Parts
Required
Recommended
U660E, U660F, U760E, U760F
Oversized B2 Apply Control Valve Kit 47740-27K
-
Helps cure:
- B2 Clutches burned
- Delayed Reverse
- No Reverse
- Reverse slip
Required
Recommended
U660E, U660F, U760E, U760F
Oversized Clutch Control Valve Kit 47740-22K
-
Helps cure:
- 4-5 Harsh
- 4-5 Flare
- Delayed Neutral to Drive
- Delayed Reverse
Required
Recommended
U660E, U660F, U760E, U760F
Oversized Secondary Pressure Regulator Valve Kit 47740-26K
-
Helps cure:
- TCC codes
- TCC apply & release concerns
- TCC shudder
- Lube failures
- Bearing failure
- Bushing failure
Required
Recommended
U660E, U660F, U760E, U760F
Oversized Primary Pressure Regulator & Reverse Boost Valve Kit 47740-02K
Kit can be used to replace either OE ratio.
-
Helps cure:
- Erratic shifts
- Soft shifts
- Low line pressure
- Low line rise
- Clutch slippage
- High line pressure in Reverse
- Burnt clutches
- High line pressure
- Harsh shifts
- Low converter pressure
Required
Recommended
U660E, U660F
Oversized Solenoid Modulator Valve Kit 47740-24K
-
Helps cure:
- Shift concerns
- Solenoid performance codes
- TCC apply & release concerns
Required
Recommended
U660E, U660F, U760E, U760F
Oversized B2 Control Valve Kit 47740-35K
-
Helps cure:
- Delayed Reverse
- Harsh Reverse
- Double bump Reverse engagement
- No Manual 1st
- B2 Clutches burned
Required
Recommended
U660E, U660F
Oversized Lockup Control Valve Kit 47740-30K
-
Helps cure:
- TCC slip codes
- TCC apply & release concerns
- RPM fluctuation
- Harsh downshifts
Required
Recommended
U660E, U660F, U760E, U760F
Oversized Converter & Lube Relief Check Valve Kit 47740-60K
-
Helps cure:
- Overheating
- Repeated converter failure
- TCC slip
- TCC slip codes
Required
Recommended
U660E, U660F, U760E, U760F
Oversized C2 Apply Control Valve Kit 47740-63K
-
Helps cure:
- 3-4 Flare
- C2 Clutch burned
- 4-5-6 Slip
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