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.
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HOMESERVICE MANUALSCHEVROLET2007SILVERADO 1500 2WD V6-4.3LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULALLISON - AUTOMATIC TRANSMISSIONASSEMBLE, DISASSEMBLE, AND INSTALLATIONCONTROL VALVE BODY LOCATION PIN REPLACEMENT
2007 Chevrolet Silverado 1500 2WD V6-4.3L
Control Valve Body Location Pin Replacement
2007 Chevrolet Silverado 1500 2WD V6-4.3LSECTION Control Valve Body Location Pin Replacement
Control Valve Body Location Pin Replacement
Tools Required
J 43779 Locating Pin Installer
Notice: DO NOT mar the main valve body surface when installing the locating pin(s). Tap gently on the locating pin installer tool. Heavy or continued hammering will damage the transmission case surface.
Important: The main valve body has 5 locating pins that can be replaced. Do not replace a locating pin unless the pin is damaged.
1. Remove the locating pin from the main valve body.
2. Place a new locating pin into J 43779 (3).
3. Install J 43779 with the locating pin into the locating pin hole.
4. Gently tap J 43779 until J 43779 touches the main housing surface.
The locating pin installed height is 10.7-11.3 mm (0.42-0.44 in) above the main valve body surface.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.