LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Chevrolet
>>
1990
>>
Forward Control 3.9 L
>>
Repair and Diagnosis
>>
Transmission
>>
Automatic Trans
>>
Servicing - A/T
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Servicing - A/T
Expand All (for easy ctrl-f)
Collapse All
Lubrication
Service Intervals
Transmission
Transfer Case
Checking Fluid Level
Notes
Transmission
Transfer Case
Recommended Fluid
Fluid Capacity
Transfer Case & Transmission
Draining & Refilling
Transmission
Transfer Case
Adjustments
Detent (Downshift) OT Throttle Valve (T.V.) Cable
Diesel Engines
Gasoline Engines
Detent (Downshift) Switch
Gasoline Engines
Diesel Engine
Vacuum Regulator Valve (VRV)
Diesel
Shift Linkage
Astro, Safari, "S" & "T" Models
Lumina APV, Silhouette & Trans Sport
All Other Models
Neutral Safety Switch
Column-Mounted Switch
Transmission-Mounted Switch