Product Description
Sonnax part number: 36948-12
Fits: 4R100, E4OD
Fits: 4R100, E4OD
Sonnax bore sizing tool 36948-12 smooths and deburrs accumulator control valve bores to permit salvage of accumulator bodies. This tool allows the bore to be properly resized and is recommended to prevent hang-up of OE valves and these Sonnax parts:
- Performance rated accumulator spring kit 36948-18K
- Accumulator control valve kits 36948-09K and 36948-13K
Symptoms
- Soft shifts
- No 2nd
- No 3rd
- No 4th
- Premature clutch failure
Cause
OE accumulator control valves restrict oil flow to clutches due to interference from ridges that form in the bore. Symptoms appear when valve hangs up on ridges.
Correction
Use Sonnax bore sizing tool to remove wear ridges, smooth and resize the bore to prevent valve hang-up.
Product Videos
Custom Field
Transmission Model(s) 4R100, E4OD
