Oversize Valve Guide Reaming

WARNING: This page is about a different car, the 2002 Saturn LW300 and 2002 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.

TOOLS REQUIRED

J42096 Valve Guide Reamer

Perform the following steps for reaming the valve guide.

Clean valve guide thoroughly.
IMPORTANT: Apply light hand pressure while turning the reamer until the reamer is all the way through the valve guide.
Insert Valve Guide Reamer J42096 reamer into the valve guide from the top of the cylinder head.

Fig 1: Reaming Valve Guide
Courtesy of GENERAL MOTORS CORP.
Remove valve guide reamer J42096.
Clean valve guide of all metal shavings.
Clean cylinder combustion chamber of all metal shavings.