Cylinder Head Installation - Left Side
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| Preliminary Procedure Clean the holes in the block of any debris or residual fastener thread sealant. Failing to do so can cause the bolts not to reach proper torque and/or clamp load. |
|
| 1 | Cylinder Head Gasket
NOTE:
Must use NEW gasket. |
| 2 | Cylinder Head Assembly |
| 3 | Cylinder Head Bolt
CAUTION:
This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.
CAUTION:
Refer to Fastener Caution .
NOTE:
The forward most fastener on the Left Side Cylinder Head is unique to all other cylinder head fasteners. It is shorter, has an internal hex drive and has a lower final tightening torque angle. Tighten 80 N.m (59 lb ft) + 90° + 40° |
| 4 | Cylinder Head Bolt Procedure Tighten the cylinder head bolts each pass in the sequence shown. Tighten 80 N.m (59 lb ft) + 90° + 60° |