Tools Required

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 43779 Locating Pin Installer. See Special Tools .

Fig 1: View Of Main Valve Body Locating Pins

Courtesy of GENERAL MOTORS CORP.

NOTE: 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.

Remove the locating pin from the main valve body.
Place a new locating pin into J 43779 (3). See Special Tools .
Install J 43779 with the locating pin into the locating pin hole. See Special Tools .
Gently tap J 43779 until. See Special Tools .J 43779 touches the main housing surface. See Special Tools .
Specification: The locating pin installed height is 10.7-11.3 mm (0.42-0.44 in) above the main valve body surface.