HOOD OPENING EFFORT IS DIFFICULT (REALIGN HOOD)

SUBJECT: HOOD OPENING EFFORT IS DIFFICULT (REALIGN HOOD)

MODELS: 1990-1994 TOPKICK/KODIAK

CONDITION:

SOME TOPKICK AND KODIAK HOODS MAY BE DIFFICULT TO OPEN USING FRONT GRAB HOLDS.

CAUSE:

MIS-ALIGNED HOOD.

CORRECTION:

SECTION 2B-2 OF THE 1994 SERVICE MANUAL LISTS A HOOD ADJUSTMENT PROCEDURE. THE FOLLOWING PROCEDURE IS DIFFERENT IN THAT THE INTERNAL DIMENSIONS ARE USED INSTEAD OF SHEET METAL ALIGNMENTS.

1. OPEN THE HOOD. LOOSEN THE 2 NUTS HOLDING THE LH HOOD BUMPER (RUBBER V-BLOCK) IN PLACE. CENTER THIS BUMPER ON THE MOUNTING BRACKET (FIGURE 2).

2. MEASURE 67-3/4 INCHES (1720 MM) FROM CENTERLINE LH HOOD BUMPER OVER TO CENTERLINE OF RH HOOD BUMPER WITH A TAPE MEASURE ROUTED THROUGH THE ENGINE COMPARTMENT. TWO TECHNICIANS WILL BE REQUIRED. THIS IS THE ENGINEERING SPECIFICATION FOR THE DISTANCE BETWEEN THE CENTERS OF THE HOOD BUMPERS. LOOSEN AND MOVE THE RH HOOD BUMPER TO ACHIEVE THE 67-3/4 INCH DISTANCE BETWEEN CENTERS. TIGHTEN HOOD BUMPER BOLTS ONCE THIS DIMENSION IS ACHIEVED.

3. LOOSEN 4 BOLTS PER SIDE ON HINGE BRACKET #10 (FIGURE 1, VIEW A).

4. LOWER HOOD ONTO V-BLOCKS. ADJUST DOOR TO HOOD GAP AT TOP TO 3/4 INCH (17 MM) AND TIGHTEN BOLTS ON THE HINGE BRACKET ON BOTH SIDES. OPEN THE HOOD. IF RESISTANCE IS FELT FROM HOOD GUIDE AND HOOD LATCH PANEL AREA, COMPLETE STEP 5.

5. LOOSEN INBOARD BRACE BOLT INSIDE FENDER WELL ON "ELEPHANT EAR" PANEL (#32 ON FIGURE 3, VIEW A).

6. CLOSE HOOD AND REOPEN USING THE HOOD HAND HOLDS. VERIFY THE ADJUSTMENT ALLOWS THE HOOD TO BE OPENED WITH ABOUT 60-80 LBS. OF EFFORT OR WHAT THE DRIVER FEELS IS ACCEPTABLE.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME B1500 HOOD ASSEMBLY, ALIGN USE PUBLISHED LABOR OPERATION TIME

FIGURES: 3

CAPTIONS: (FIGURES REPRINTED FROM THE 1994 SERVICE MANUAL, SECTION 2B) FIGURE 1-HOOD HINGE (F7762) FIGURE 2-HOOD BUMPER (F7764) FIGURE 3-HOOD LATCH MOUNTING PANEL (F7766)

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.

COPYRIGHT 1994 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.