August 01, 2019
Symptoms:
- Delayed Drive
- Low line pressure
- 1-2, 2-3, 4-5 Flares
Cause:
Worn or lost manual valve selector pin.Correction:
Replace worn or lost OE manual valve selector pin.1000/2000/2400
Manual Valve Selector Pin
Part No. 37000-29K
Fits '00–'15 units only.
Package Quantity: 5
You need this if... Find a DistributorSonnax offers direct replacement manual valve selector pin 37000-29K for OE pins that show signs of wear or have been lost.
Sonnax oversized manual valve kit 37000-28K sold separately.
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 Allison® 1000/2000/2400 Valve Body Layout
You need this if...
OE manual valve retaining pin shows signs of wear.
Related Sonnax Parts
Required
Recommended
1000/2000/2400
Oversized Manual Valve Kit 37000-28K
Fits '00–'15 units only.
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Helps cure:
- Low line pressure
- Delayed Drive
- Delayed Reverse