Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 216 (SERVICING - A/T (VT25-E))REMOVAL & INSTALLATIONCONTROL VALVE BODYREMOVAL
1999 GMC Forward Control 5.7 R, Automatic
Control Valve Body: Removal
1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Remove valve body cover assembly. See CONTROL VALVE BODY COVERΒ .
- Slide gray locking clip to unlock connector for input and output speed sensor assembly. See Fig 1 .
- Press connector tab and remove connector for input and output speed sensor assembly from control valve body assembly.
- Remove bolt and manual shaft detent assembly from control valve body assembly. See Fig 2 .
- Disconnect manual valve link assembly from manual valve. See Fig 3 .
- Remove 3 Silver bolts from control valve body assembly. See Fig 4
.NOTE: Use care when removing control valve body assembly. The control solenoid valve assembly and control valve body assembly may separate.
- Remove 15 Black bolts from control valve body assembly. See Fig 5 .
- Remove control valve body assembly from transaxle case assembly. See Fig 6 .
- Remove spacer plate assembly and discard.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.