OTC 6685 - Camshaft Tools (No. 536181 & 536172); Camshaft Sprocket Holding Tool (No. 536181) Usage; Camshaft Holding Tool (No. 536172) Usage

CAUTION: To prevent personal injury, wear eye
protection that meets ANSI Z87.1 and OSHA standards.
No. 536181
Camshaft Sprocket Holding Tool
No. 536172
Camshaft Holding Tool
Application: 2.8L 4-cylinder engine used in
2004-2007 Chevrolet Colorado and GMC Canyon
1. Rotate the crankshaft clockwise (CW)
until #1 piston is on Top Dead Center
(TDC) on the compression stroke.
2. Install No. 536172 camshaft holding
tool to the rear of the camshaft. See
Figure 1.
3. Remove the intake and exhaust
camshaft sprocket bolts.
4. To maintain chain tension, install No.
536181 camshaft sprocket holding
tool onto the cylinder head, and adjust
the horizontal bolts into the camshaft
sprockets. See Figure 2.
5. Carefully slide the sprockets (with the
timing chain) from the camshaft to the
No. 536181 camshaft sprocket holding
tool.
Figure 1
Front
of
Engine
536172
No. 536172
No. 536181
Figure 2
536181
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