Engine - Cylinder Head Bolt Re-Torque Procedure
NUMBER: 09-001-05 REV. AGROUP: Engine
DATE: December 10, 2005
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 09-001-05, DATED MARCH 25, 2005 WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES A BUILD DATE.
SUBJECT:
Cylinder Head Bolt Re-torque Procedure
MODELS:
2004 - 2005 (JR) Sebring Convertible/Sebring Sedan/Stratus Sedan
2004 - 2005 (KJ) Liberty/Cherokee
2004 - 2005 (TJ) Wrangler
2004 - 2005 (PT) PT Cruiser
2004 - 2005 (RG) Chrysler Voyager
2004 - 2005 (RS) Town & Country/Caravan/Voyager
NOTE:
This bulletin applies to vehicles equipped with a 2.4L engine (sales code ED1, ED2 or EDZ) **built between February 1, 2004 and April 5, 2005 (MDH0405XX)**.
SPECIAL TOOLS/EQUIPMENT REQUIRED:
REPAIR PROCEDURE:
Whenever re-torquing the cylinder head bolt(s), be sure to follow the torque sequence as outlined below:
NOTE:
If there are no external sign of damage to any parts, attempt the procedure below before replacing a cylinder head, cylinder head bolts or cylinder head gasket.
1. Allow engine to reach room temperature.
2. Remove radiator cap.
3. Following the appropriate procedures outlined in TechCONNECT remove the cylinder head cover. Refer to 9 - Engine/Cylinder Head/Cylinder Head Cover - Removal
4. Using a six inch wobble plus extension friction ball and shallow socket following the torque sequence (Fig. 1), loosen one bolt at a time to 0 torque and then torque that same head bolt to 60 Ft-lbs.
5. Repeat step 4 for every head bolt one bolt at a time in sequence.
6. Verify that each head bolt is at 60 Ft-lbs before performing next steps.
7. After all head bolts have been verified to be torqued to 60 Ft-lbs follow the torque sequence and turn the head bolts an additional 90° (1/4 turn) (Fig. 1).
8. Following the appropriate procedures outlined in TechCONNECT install the cylinder head cover. Refer to 9 - Engine/Cylinder Head/Cylinder Head Cover - Installation
9. Install radiator cap.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.