Installing Timing Chain & Sprockets (L26): Installation

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Aligning The Timing Marks

Courtesy of GENERAL MOTORS CORP.

Install the crankshaft balancer key into the crankshaft keyway.
The crankshaft balancer key should be parallel to the crankshaft or with a slight incline.
Install the timing chain on the sprockets. Align the timing marks.

Fig 2: Timing Chain, Crankshaft Sprocket & Camshaft Sprocket (L26)

Courtesy of GENERAL MOTORS CORP.

Install the timing chain, the crankshaft sprocket, and the camshaft sprocket.

NOTE: Refer to Special Fastener Notice in General Information.

NOTE: Refer to Fastener Notice in General Information.

Install the camshaft sprocket bolt.
Tighten: Tighten the camshaft sprocket bolt to 100 N.m (74 Ft. Lbs.). Use J 45059 to tighten the camshaft sprocket bolt an additional 90 degrees.

Fig 3: View Of Timing Chain Dampener

Courtesy of GENERAL MOTORS CORP.

Install the timing chain dampener.
Tighten: Tighten the timing chain dampener bolt to 22 N.m (16 Ft. Lbs.).