Escalade ESV AWD V8-6.2L (2007)
Installation Procedure
Important:
^
Tighten the exhaust manifold bolts as specified in the service procedure. Improperly installed and/or leaking exhaust manifold gaskets
may affect vehicle emissions and/or On-Board Diagnostic (OBD) II system performance.
^
The cylinder head exhaust manifold bolt hole threads must be clean and free of debris or threadlocking material.
^
Do not apply sealant to the first 3 threads of the bolt.
1. Apply a 5 mm (0.2 in) wide band of threadlock GM P/N 12345493 (Canadian P/N 10953488), or equivalent to the threads of the exhaust
manifold bolts.
2. Position the NEW exhaust manifold gasket and exhaust manifold to the cylinder head.
Notice: Refer to Fastener Notice.
3. Install the exhaust manifold bolts.
1. Tighten the bolts a first pass to 15 N.m (11 lb ft).
Tighten the exhaust manifold bolts beginning with the center 2 bolts. Alternate from side-to-side, and work toward the outside bolts.
2. Tighten the bolts a final pass to 20 N.m (15 lb ft).
Tighten the exhaust manifold bolts beginning with the center 2 bolts. Alternate from side-to-side, and work toward the outside bolts.
4. Using a flat punch, bend the gasket tab at the rear of the gasket around the cylinder head edge.
5. Raise the vehicle.
