Camshaft - Right
WARNING: This page is about a different variant/trim than selected.
CAUTION:
When the timing chain is removed and the cylinder heads are still installed, DO NOT forcefully rotate the camshafts or crankshaft independently of each other. Severe valve and/or piston damage can occur.
CAUTION:
When removing the cam sprocket, timing chains or camshaft, Failure to use special tool 8379 will result in hydraulic tensioner ratchet over extension, Requiring timing chain cover removal to reset the tensioner ratchet.
- Remove the cylinder head cover. See REMOVAL .
- Set engine to TDC cylinder No. 1, camshaft sprocket V6 marks at the 12 o'clock position (1).
- Mark one link on the secondary timing chain on both sides of the V6 mark on the camshaft sprocket to aid in installation.
1 - Camshaft hole 2 - Special Tool 8428 CAUTION: Do not hold or pry on the camshaft target wheel for any reason, Severe damage will occur to the target wheel. A damaged target wheel could cause a vehicle no start condition. - Loosen but DO NOT
remove the camshaft sprocket retaining bolt. Leave bolt snug against sprocket.
1 - SPECIAL TOOL 8379 2 - CAMSHAFT SPROCKET 3 - CAMSHAFT SPROCKET BOLT 4 - CYLINDER HEAD NOTE: The timing chain tensioners must be secured prior to removing the camshaft sprockets. Failure to secure tensioners will allow the tensioners to extend, requiring timing chain cover removal in order to reset tensioners.CAUTION: Do not force the Wedge Locking Tool past the narrowest point between the chain strands. Damage to the tensioners may occur. - Position the Wedge Locking Tool 8379 (1) between the timing chain strands. Tap the tool to securely wedge the timing chain against the tensioner arm and guide.
1 - Camshaft hole 2 - Special Tool 8428 - Remove the camshaft position sensor.
- Hold the camshaft with Spanner Wrench 8428 (2), while removing the camshaft sprocket bolt and sprocket.
- Starting at the outside working inward, loosen the camshaft bearing cap retaining bolts 1/2 turn at a time. Repeat until all load is off the bearing caps.CAUTION: DO NOT STAMP OR STRIKE THE CAMSHAFT BEARING CAPS. SEVERE DAMAGE WILL OCCUR TO THE BEARING CAPS.NOTE: When the camshaft is removed the rocker arms may slide downward, mark the rocker arms before removing camshaft.
- Remove the camshaft bearing caps and the camshaft.