Special Tools

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

EN 46328: Camshaft Holding Tool

For equivalent regional tools, refer to Special Tools .

Fig 1: Camshaft Holding Tool

Courtesy of GENERAL MOTORS CORP.

Remove the EN 46328: tool from the left camshafts.

Fig 2: Sealant At Split Line Of Left Cylinder Head & Camshaft Position Actuator Housings

Courtesy of GENERAL MOTORS CORP.

Place a small amount of sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent at the split line of the left cylinder head and the left camshaft position actuator housings.

Fig 3: Left Camshaft Cover & Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: Be careful to prevent the exposed section of the camshaft cover seal from being damaged by the edge of the cylinder head casting.

Install the left camshaft cover.
Install the NEW camshaft cover bolt grommets prior to installing the camshaft cover bolts.

CAUTION: Refer to Fastener Caution .

Install the left camshaft cover bolts and tighten to 10 N.m (89 lb in).

Fig 4: Left Camshaft Cover Ground Strap & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the bolts connecting the left camshaft cover ground strap to the left cylinder head and the left camshaft cover.
- Tighten the left ground strap bolt into the camshaft cover to 10 N.m (89 lb in) .
- Tighten the left ground strap bolt into the cylinder head to 25 N.m (18 lb ft) .