Tools Required

EN-47719  Tensioner Compressor. See Special Tools .

Fig 1: Identifying Tensioner Collapsing Procedure
Courtesy of GENERAL MOTORS CORP.
1. Using the EN-47719  fully collapse the tensioner and place the tensioner retaining pin into the retaining hole (1). See Special Tools .
Fig 2: View Of Timing Chain & Sprockets
Courtesy of GENERAL MOTORS CORP.
2. Remove the camshaft sprocket bolts.
3. Remove the timing chain and sprockets.
Fig 3: View Of Timing Chain Tensioner & Bolts
Courtesy of GENERAL MOTORS CORP.
4. Remove the timing chain tensioner bolts.
5. Remove the timing chain tensioner.