1000/2000/2400
Remanufactured Valve Body AL1007
’10-Later: 6-speed, no tubes on the bottom and seven solenoids. Non-NAS version. Non-NAS
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Remanufactured Valve Body
1000/2000/2400
Remanufactured Valve Body AL1005
’04–’05: 5-Speed, one tube on the bottom and seven solenoids. ’04–’05
1000/2000/2400
Remanufactured Valve Body AL1006
’06–’09: 6-Speed, two tubes on the bottom and seven solenoids. '06-'09
1000/2000/2400
Remanufactured Valve Body AL1004
’01–’03: 5-Speed, one tube on the bottom and six solenoids. ’01–’03
Pump
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
Manual Valve Selector Pin 37000-29K
Fits ’00-later 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-later 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 F-Trim Valve Kit 37000-33K
Fits ’06–’09 units only.
-
Helps cure:
- No converter apply
- TCC surge
- TCC slip
- Overheating
-
Tooling:
- F-37000-TL33
- 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-later units only.
-
Helps cure:
- Low line pressure
- Delayed Drive
- Delayed Reverse
-
Tooling:
- F-37000-TL28
- VB-FIX
Oversized PCV Valve Kit 37000-35K
Fits ’10-later units only. Fits either of two locations.
-
Helps cure:
- Flare shifts
- Harsh shifts
- Premature clutch failure
- Delayed engagement
-
Tooling:
- F-37000-TL35
- VB-FIX
Oversized TCC Control Valve Kit 37000-37K
Replaces low gain TCC valve in ’10-later units only.
-
Helps cure:
- No lockup
- Converter shudder & TCC slip
- TCC shudder
-
Tooling:
- F-37000-TL37
- 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
Other
Tech Resources
FEATURED
August 01, 2019
Vacuum Test Guide
Allison 1000/2000/2400, '00-Later Vacuum Test Guide
February 08, 2017
Identification Guide
Identifying Allison 1000/2000/2400 Valve Bodies
July 01, 2020
Identification Guide
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
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Identification Guide
How to Identify Allison® LCT 1000 Input Shafts
July 08, 2019
Valve Body Layout
GM Allison® 1000/2000/2400 Valve Body Layout
October 13, 2022
How to Get Started with OE ECU Reprogramming
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January 01, 2013
1000/2000/2400 Solenoid Identification
Valve Body Xpress
May 16, 2006
SonnaFlow® Chart: Allison 1000 (Normal)
May 16, 2006
SonnaFlow® Chart: Allison 1000 (Normal)
May 16, 2006