Oversized 3-4 Shift Valve Kit
77754-42K
4L60-E, 4L65-E, 4L70-E
Pricing:
$62.18
Description
In GM 4L60-E, 4L65-E abd 4L70-E units, wear at the shift valve spools and bore lands causes loss of critical hydraulic pressure which, depending on the wear location and severity, can result in shift timing/feel complaints, 2nd Gear starts, 3rd clutch failure, 3-4 shift complaints and loss of AFL pressure. Reconditioning the bore and installing Sonnax oversized 3-4 shift valve kit 77754-42K restores hydraulic integrity.
- Hardcoat anodized aluminum valve combats premature wear
- Sonnax spring maintains OE operating pressures and timing
- Valve
- Spring
Required Parts:
- Reamer F-Tool Kit - Part No. F-77754-TL42
Symptoms:
- 2nd Gear starts
- Low AFL pressure
- 3rd Clutch failure
- 3-4 Concerns
Cause:
Wear at the shift valve spools and bore lands allows loss of critical hydraulic pressure. Typically wear is most severe at the signal A spool/land.
Correction:
Recondition the bore and install Sonnax oversized 3-4 shift valve kit.
Details
- 77754-42K
- 77754-42K
- Sonnax
- New
Categories
Shipping Information
- Item Requires Shipping
- 2.0 lbs.
- W4.0000” x H4.0000” x L4.0000”
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