CAMSHAFT, Engine: Removal: Removal

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Camshaft Sprocket V6 Marks

Courtesy of CHRYSLER LLC

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 Wedge Locking Tool (special tool #8379, Locking Tool, Wedge) will result in hydraulic tensioner ratchet over extension, Requiring timing chain cover removal to reset the tensioner ratchet.

Remove the cylinder head cover. Refer to COVER(S), Cylinder Head , Removal , 3.7L for left head cover and COVER(S), Cylinder Head , Removal , 3.7L for right head cover.
Set engine to TDC cylinder No. 1, camshaft sprocket V6 marks at the 12 o'clock position (1). Refer to Fig 1.
Mark one link on the secondary timing chain on both sides of the V6 mark on the camshaft sprocket to aid in installation.

Fig 2: Special Tool 8428A
Courtesy of CHRYSLER LLC

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 resulting in a vehicle no start condition.

Loosen but DO NOT remove the camshaft sprocket retaining bolt. Refer to Fig 3. Leave bolt snug against sprocket.

Fig 3: Installing Special Tool

Courtesy of CHRYSLER LLC

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 Locking Wedge (special tool #9867, Wedge, Locking) past the narrowest point between the chain strands. Damage to the tensioners may occur.

Position the Wedge Locking Tool (special tool #8379, Locking Tool, Wedge)(1) between the timing chain strands. Refer to Fig 3. Tap the tool to securely wedge the timing chain against the tensioner arm and guide.

Fig 4: Special Tool 8428A
Courtesy of CHRYSLER LLC

1 - Camshaft hole

2 - Special Tool 8428
Remove the camshaft position sensor.
Hold the camshaft with Camshaft Holder (special tool #8428A, Holder, Camshaft)(2), while removing the camshaft sprocket bolt and sprocket. Refer to Fig 4.

Fig 5: Camshaft Bearing Caps Bolt Tightening Sequence
Courtesy of CHRYSLER LLC
Starting at the outside working inward, loosen the camshaft bearing cap retaining bolts 1/2 turn at a time. Refer to Fig 5. 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.