Toyota/Lexus A340, A340E/F/H Valve Body Layout
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. Each layout:
- Displays an exploded view location guide for individual valve trains
- Identifies symptoms and recommended solutions for quality rebuilds
- Provides active links to view specific part details
- Lists any tools/fixtures required for part installation
- Illustrates correct part orientation
With more than 40 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop.
Click here to view PDF if the tech resource does not appear below.
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Related Units
Related Parts
Required
Recommended
81-40LE, A245E, A246E, A340E, A340F, A650E
Lockup Relay Control Valve Kit 77741-02K
For A245E, A246E applications, this part only fits '05-later units with casting code 9132 on the upper valve body.
-
Helps cure:
- TCC apply & release concerns
- TCC codes
- RPM fluctuation
- Inadequate lubrication
- Bushing failure
- Overheated fluid
Required
Recommended
A245E, A246E, A340E, A340F, A650E
Oversized Lockup Relay Valve Kit 97741-20K
Fits A340E/F '00-later, type 3 and 4 valve bodies. For A245E, A246E applications, this part only fits '05-later units with casting code 9132 on the upper valve body.
-
Helps cure:
- TCC apply & release concerns
- TCC codes
- Inadequate lubrication
- Overheated fluid
- Bushing failure
Required
Recommended
A340E, A340F
Oversized Secondary Pressure Regulator Valve Kit 97741-18K
Fits '00-Later V6 & V8, late models, Type 3 & 4 valve bodies.
-
Helps cure:
- TCC apply & release concerns
- Burnt TCC apply components
- Overheated transmission
- Bushing wear
Required
Recommended
A340E, A340F
Dual-Ratio Boost Valve Kit 97741-01K
Fits '00-later V6 & V8, late-style, Type 3 & 4 valve bodies.
-
Helps cure:
- Delayed Reverse
- Delayed Forward
- Soft upshifts
- Low pressure
Required
Recommended
A340E, A340F
Oversized Pressure Regulator Valve Kit 97741-10K
Fits type 3 and 4 valve bodies with .353" dia. EPC valve spools
-
Helps cure:
- Low line pressure
- High line pressure
- Poor shift quality
- Low lube oil flow
- Burnt clutches
Required
Recommended
A340E, A340F
Oversized Pressure Regulator Valve Kit 97741-06K
Fits type 3 and 4 valve bodies with .426" dia. EPC valve spool.
-
Helps cure:
- Low line pressure
- High line pressure
- Poor shift quality
- Low lube oil flow
- Burnt clutches
Required
Recommended
A340E, A340F
O-Ringed End Plug Kit 97741-19K
Fits '00-later V6 & V8, late models, Type 3 & 4 valve bodies. Follow usage chart (included in instructions) to determine correct location and size of O-ringed end plug.
-
Helps cure:
- Soft shifts
- Low line rise
- Slips & flares
Required
Recommended
Required
Recommended
A340E, A340H
Oversized Secondary Pressure Regulator Valve Kit 97741-17K
-
Helps cure:
- TCC apply & release concerns
- Burnt TCC apply components
- Overheated transmission
- Bushing wear
Required
Recommended
A340, A340E, A340F, A340H
Boost Valve Kit 97855-23K
-
Helps cure:
- Delayed engagement
- Low line rise
- Low line pressure in Reverse
- High line pressure in Reverse
- Erratic line pressure
- Soft upshifts
- Repeated clutch failure
Required
Recommended
A340, A340E, A340F, A340H
Oversized Pressure Regulator Valve Kit 97855-24K
Replaces three-spool pressure regulator valve in units with three or fewer solenoids.
-
Helps cure:
- Low line pressure
- High line pressure
- Poor shift quality
- Low lube oil flow
- Burnt clutches
Required
Recommended
A340, A340E, A340F, A340H
Lockup Relay Valve Sleeve Kit 97855-27K
1984-2000, replaces 3 spool lockup relay valves in units with 3 or fewer solenoids
-
Helps cure:
- No lockup
- Overheated converter
- Overheated fluid
- Low cooler flow
Required
Recommended
A340, A340E, A340F, A340H
Boost Valve Kit 97855-30K
-
Helps cure:
- Delayed engagement
- Low line rise
- Low line pressure in Reverse
- High line pressure in Reverse
- Erratic line pressure
- Soft upshifts
- Repeated clutch failure
While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time.