INOPERATIVE SPEEDOMETER

SUBJECT: INOPERATIVE SPEEDOMETER (INSTALL NEW FLEX SHAFT CABLE AND FLEX SHAFT BRACKET)

MODELS: 1992-94 FORWARD/TILTMASTER MODELS WITH 6.5L DIESEL ENGINES AND AUTOMATIC TRANSMISSIONS BUILT PRIOR TO THE FOLLOWING VIN BREAKPOINTS:

MODEL VIN W5 R3000576 W6 R3100362 W7 R3200519

CONDITION:

ON SOME AFFECTED VEHICLES, THE SPEEDOMETER WILL BECOME INOPERATIVE WHEN THE FLEX SHAFT CABLE LEADING FROM THE GEAR BOX TO THE TRANSMISSION BREAKS.

CAUSE:

STRESS INDUCED BY A TIGHT BEND RADIUS MAY CAUSE CABLE BREAKAGE.

CORRECTION:

RETROFIT USING A LONGER FLEX SHAFT CABLE AND REDESIGNED FLEX SHAFT BRACKET.

SERVICE PROCEDURE

1. SET THE PARKING BRAKE AND CHOCK THE FRONT WHEELS. 2. DISCONNECT BOTH ENDS OF THE FLEX SHAFT CABLE (FIGURE 1, ITEM 1) LEADING FROM THE GEAR BOX (FIGURE 1, ITEM 5) TO THE TRANSMISSION AND REMOVE THE CABLE.

NOTICE: THE GEARBOX THREADS ARE LEFT-HAND THREADS. KEEP THIS IN MIND WHEN DISCONNECTING THE FLEX SHAFT TO PREVENT ACCIDENTAL DAMAGE TO THE GEARBOX.

IMPORTANT: BUDGET ONE-WAY MODELS HAVE A FLEX SHAFT LOCK WIRE AND SEAL (FIGURES 2 AND 3, ITEMS 1 AND 2) AT BOTH THE TRANSMISSION SIDE (FIGURE 2) AND THE GEAR BOX SIDE (FIGURE 3) OF THE FLEX SHAFT TO PREVENT SPEEDOMETER TAMPERING. THESE WIRES MUST FIRST BE REMOVED BEFORE DISCONNECTING THE FLEX SHAFT CABLE.

3. DISCONNECT THE FLEX SHAFT CABLE (FIGURE 1, ITEM 2) FROM THE GEAR BOX (#5) (CABLE LEADS TO THE SPEEDOMETER). 4. REMOVE THE FLEX SHAFT BRACKET (FIGURE 1, ITEM 3) FROM THE MAIN GEAR BOX BRACKET (FIGURE 1, ITEM 4) ON THE TRANSMISSION HOUSING AND REMOVE THE GEAR BOX (FIGURE 1, ITEM 5) FROM THE FLEX SHAFT BRACKET (FIGURE 1, ITEM 3). 5. REINSTALL THE GEAR BOX (FIGURE 1, ITEM 5) TO THE NEW FLEX SHAFT BRACKET (FIGURE 1, ITEM 3). 6. REINSTALL THE FLEX SHAFT BRACKET (FIGURE 1, ITEM 3) TO THE MAIN GEAR BOX BRACKET (FIGURE 1, ITEM 4). 7. INSTALL THE NEW FLEX SHAFT CABLE (FIGURE 1, ITEM 1) BETWEEN THE GEAR BOX (FIGURE 1, ITEM 5) AND THE TRANSMISSION HOUSING. 8. RECONNECT THE FLEX SHAFT CABLE END (FIGURE 1, ITEM 2) LEADING FROM THE GEAR BOX (FIGURE 1, ITEM 5) TO THE SPEEDOMETER. 9. ON BUDGET ONE-WAY MODELS, INSTALL NEW LOCK WIRES AND SEALS (FIGURES 2 AND 3, ITEMS 1 AND 2) AT BOTH THE GEAR BOX SIDE AND THE TRANSMISSION SIDE. 10. CLEAN UP AROUND THE VEHICLE AND REMOVE THE WHEEL CHOCKS.

PARTS INFORMATION

P/N DESCRIPTION QTY 97714521 FLEX SHAFT - CONNECTOR TO TRANSMISSION 1 (BUDGET ONE-WAY MODELS ONLY) 97714522 FLEX SHAFT CONNECTOR 1 97716159 FLEX SHAFT BRACKET 1 94058625 FLEX SHAFT LOCK WIRE KIT (W/LEAD SEAL) 2 (BUDGET ONE-WAY MODELS ONLY)

PARTS ARE TO BE OBTAINED DIRECTLY FROM AMERICAN ISUZU PARTS DISTRIBUTION NETWORK (A.I.P.D.N.).

CANADIAN DEALERS SHOULD ORDER PARTS THROUGH THEIR NORMAL PARTS CHANNELS.

WARRANTY INFORMATION

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME N4399 SPEEDOMETER CABLE AND BRACKET, R + R USE PUBLISHED LABOR OPERATION TIME LABOR TIME INCLUDES 0.1 ADMINISTRATIVE TIME ALLOWANCE.

FIGURES: 3

CAPTIONS FIGURE 1 - FLEX SHAFT CABLE FIGURE 2 - TRANSMISSION SIDE FIGURE 3 - GEAR BOX SIDE

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 1995 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.