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Remanufactured Valve Body
Pump
C-1 Valve & Seal Kit 37000-05K
Lube Regulator & Converter Relief Spring Kit 37000-01K
Fits '03-earlier, 6 solenoid units.
-
Helps cure:
- Overheating
- Broken spring
- Delayed engagement
Valve Body
(View Valve Body Layout Diagram)
E-Shift Valve Spring 37000-02
Fits '00-'09 units only.
-
Helps cure:
- Code P0872
- Code P1711
- Pressure switch stuck on
- Failsafe mode
- 3rd Gear starts
Exhaust Backfill Valve Kit 37000-17K
F-Trim Valve End Sleeve 37000-03
Manual Valve Selector Pin 37000-29K
Fits '00–'15 units only.
-
Helps cure:
- Delayed Drive
- Low line pressure
- 1-2, 2-3, 4-5 Flares
Oversized Control Main Relief Valve 37000-19
Fits ’00–’15 units only.
-
Helps cure:
- Shift concerns
- Loss of shift solenoid control pressure
-
Tooling:
- F-37000-TL19
- VB-FIX
Oversized E-Shift Valve Kit 37000-15K
Fits '00–'09 units only.
-
Helps cure:
- Code P0872
- Code P1711
- Pressure switch stuck on
- Failsafe mode
- 3rd Gear starts
-
Tooling:
- F-37000-TL15
- VB-FIX
Oversized F-Trim Valve Kit 37000-30K
Fits '00–'05 units only. Fits '00–'05 units only.
-
Helps cure:
- Overheated transmission
- Code P0741
- RPM surge
- TCC apply & release concerns
-
Tooling:
- F-37000-TL30
- VB-FIX
Oversized Gain Valve Kit 37000-24K
Fits '00–'09 units only. Fits '00–'09 units only.
-
Helps cure:
- Shift concerns associated with circuit pressure loss
-
Tooling:
- F-37000-TL24
- VB-FIX
Oversized Manual Valve Kit 37000-28K
Fits '00–'15 units only.
-
Helps cure:
- Low line pressure
- Delayed Drive
- Delayed Reverse
-
Tooling:
- F-37000-TL28
- VB-FIX
Trim Valve & Spring Kit 37000-12K
Fits '00-'09 units only. The F-trim spring is applicable to '00-'05 valve body casting only. 2002 & Later
-
Helps cure:
- Premature clutch wear
- Inability to alter clutch apply pressure curve
-
Tooling:
- 37000-TL12
Tech Resources
January 05, 2023
How to Identify Allison® LCT 1000 Input Shafts
October 13, 2022
How to Get Started with OE ECU Reprogramming
Jim Mobley
July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
August 01, 2019
Allison 1000/2000/2400 Vacuum Test Guide
July 08, 2019
GM Allison® 1000/2000/2400 Valve Body Layout
February 08, 2017
Identifying Allison 1000/2000/2400 Valve Bodies
January 01, 2013
1000/2000/2400 Solenoid Identification
Valve Body Xpress
May 16, 2006
SonnaFlow® Chart: Allison 1000 (Normal)
May 16, 2006