SMU - SECTION 6A9 - REVISED TIMING CHAIN TENSIONER
SUBJECT: SERVICE MANUAL UPDATE - SECTION 6A9 - REVISED TIMING CHAIN TENSIONER INSTALLATION PROCEDURE
MODELS: 1991-95 CHEVROLET LUMINA 1995 CHEVROLET MONTE CARLO 1991-95 OLDSMOBILE CUTLASS SUPREME 1991-95 PONTIAC GRAND PRIX WITH 3.4L ENGINE (VIN X - RPO LQ1)
USE THE FOLLOWING PROCEDURE TO PROPERLY INSTALL THE TIMING CHAIN TENSIONER. THIS PROCEDURE SHOULD BE USED ALONG WITH THE PROCEDURE FOUND IN THE APPROPRIATE SERVICE MANUAL.
TIMING CHAIN TENSIONER INSTALLATION PROCEDURE
(FIGURES 1 AND 2)
**INSTALL OR CONNECT**
1. TENSIONER, REFER TO SERVICE MANUAL PROCEDURE IN SECTION 6A9. 2. FABRICATE TOOL TO RETRACT TENSIONER. * BEND A 12 INCH PIECE OF 1/8 IN. WELDING ROD (OR EQUIVALENT) IN HALF, LEAVING A 1 INCH GAP BETWEEN THE TWO ENDS.
* MAKE A BEND 1 INCH FROM THE END, PERPENDICULAR TO THE ORIGINAL BEND, AT 60 DEGREES AS SHOWN IN FIGURE 1.
* REPEAT THIS PROCESS FOR THE OTHER END. MAKE SURE BOTH ENDS ARE BENT IN THE SAME DIRECTION. 3. USING THE ROD, RETRACT THE TENSIONER AS SHOWN IN FIGURE 2. 4. WHILE COMPRESSING SPRING, USE A SUITABLE TOOL (COTTER PIN, RIVET, OR NAIL) AND INSERT IN HOLE AS SHOWN IN FIGURE 2. TOOL MUST BE CAPABLE OF KEEPING SPRING COMPRESSED. 5. COMPLETE REASSEMBLY, REFER TO SERVICE MANUAL, SECTION 6A5.
FIGURES: 2 ATTACHMENTS: 0
GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.
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