Engine Coolant Air Bleed Pipe and Hole Cover Installation (LSA)

WARNING: This page is about a different variant/trim than selected.

Fig 1: Identifying Seals

Courtesy of GENERAL MOTORS COMPANY

Install the seals (1) onto the engine coolant air bleed pipe.

Fig 2: Identifying Pipes & Bolts

Courtesy of GENERAL MOTORS COMPANY

CAUTION:

Refer to Fastener Caution .

NOTE:

Production engines use a rivet-type plug at the top rear coolant passage of each cylinder head. If service of a leaking plug is required, it is necessary to remove the cylinder head from the engine to properly remove the plug. Refer to Cylinder Head Disassemble .

Install the pipes (1 and 2) and bolts (3) and tighten to 12 N.m (106 lb in).
As required, install either a NEW plug (4), or the earlier design coolant air bleed covers, bolts and gaskets. Refer to Cylinder Head Assemble . If required, tighten the cover bolts to 12 N.m (106 lb in).