Cylinder Head Assembly: Technical Service Bulletins
- Recalls
- Recall - Engine Valve Spring Breakage
- Dealer Letter
- Valve Spring Replacement Q & A
- Owner Letter
- Technical Instructions For Safety Recall ALE
- Information - 350 Models
- 2007 - 2008 GS 350 and 2006 - 2008 Is 350
- I. Operation Flowchart - 350 Models
- II. Identification of Affected Vehicles - 350 Models
- III. Preparation - 350 Models
- IV. Background - 350 Models
- V. Work Procedure - 350 Models
- A. Release the Fuel Pressure - 350 Models
- B. Gain Access For Valve Cover Removal (Remove Auxiliary Engine Components) - 350 Models
- C. Remove the Valve Cover and Timing Chain Tensioner - 350 Models
- D. Remove the Camshafts - 350 Models
- E. Remove and Replace the Valve Springs - 350 Models
- F. Reinstall the Camshafts - 350 Models
- G. Reinstall the Timing Chain Tensioner and Valve Cover - 350 Models
- H. Reinstall the Auxiliary Engine Components - 350 Models
- Appendix - 350 Models
- 2007 - 2008 GS 450H
- Information - 450 Models
- I. Operation Flowchart - 450 Models
- II. Identification of Affected Vehicles - 450 Models
- III. Identification of Affected Vehicles - 450 Models
- IV. Background - 450 Models
- V. Work Procedure - 450 Models
- A. Release the Fuel Pressure - 450 Models
- B. Gain Access For Valve Cover Removal (Remove Auxiliary Engine Components) - 450 Models
- C. Remove the Valve Cover and Timing Chain Tensioner - 450 Models
- D. Remove the Camshafts - 450 Models
- E. Remove and Replace the Valve Springs - 450 Models
- F. Reinstall the Camshafts - 450 Models
- G. Reinstall the Timing Chain Tensioner and Valve Cover - 450 Models
- H. Reinstall the Auxiliary Engine Components - 450 Models
- Appendix - 450 Models
- Recall - Engine Valve Spring Breakage
- All Technical Service Bulletins
- Canada - Engine - Cylinder Head Cover Baffle Precautions
- Engine - Cylinder Head Cover Baffle Precautions
- Recall 10V309000: Potential Engine Valve Spring Failure
- Recall - Engine Valve Spring Breakage
- Dealer Letter
- Valve Spring Replacement Q & A
- Owner Letter
- Technical Instructions For Safety Recall ALE
- Information - 350 Models
- 2007 - 2008 GS 350 and 2006 - 2008 Is 350
- I. Operation Flowchart - 350 Models
- II. Identification of Affected Vehicles - 350 Models
- III. Preparation - 350 Models
- IV. Background - 350 Models
- V. Work Procedure - 350 Models
- A. Release the Fuel Pressure - 350 Models
- B. Gain Access For Valve Cover Removal (Remove Auxiliary Engine Components) - 350 Models
- C. Remove the Valve Cover and Timing Chain Tensioner - 350 Models
- D. Remove the Camshafts - 350 Models
- E. Remove and Replace the Valve Springs - 350 Models
- F. Reinstall the Camshafts - 350 Models
- G. Reinstall the Timing Chain Tensioner and Valve Cover - 350 Models
- H. Reinstall the Auxiliary Engine Components - 350 Models
- Appendix - 350 Models
- 2007 - 2008 GS 450H
- Information - 450 Models
- I. Operation Flowchart - 450 Models
- II. Identification of Affected Vehicles - 450 Models
- III. Identification of Affected Vehicles - 450 Models
- IV. Background - 450 Models
- V. Work Procedure - 450 Models
- A. Release the Fuel Pressure - 450 Models
- B. Gain Access For Valve Cover Removal (Remove Auxiliary Engine Components) - 450 Models
- C. Remove the Valve Cover and Timing Chain Tensioner - 450 Models
- D. Remove the Camshafts - 450 Models
- E. Remove and Replace the Valve Springs - 450 Models
- F. Reinstall the Camshafts - 450 Models
- G. Reinstall the Timing Chain Tensioner and Valve Cover - 450 Models
- H. Reinstall the Auxiliary Engine Components - 450 Models
- Appendix - 450 Models