1999 Isuzu Npr

Owner complaints

Latest complaints

• Jun 7, 1999KS
  Suspension

  Isuzu truck ,npr wheel size IS 19 inch whiches. This may be too big for the size of the truck, which causing it to veer to the left/right when going over a bump. this couuld cause a loss of vehicle control anda crash. please provide further information. *ak

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10237146This bulletin outlines the procedures for using the Alpine Exchange Program (the "Exchange Program"). The Exchange Program must be used when any Alpine radio or other component covered by this bulletin is repaired under warranty and may also be used for radio and component repairs not covered under warranty. Contact Alpine directly for pricing and payment methods applicable to radio and component repairs not covered under warranty.
• 10218932Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts Warranty claim payments and/or claim chargeback. This bulletin was revised to add a Parts Warranty Form
• 10218927Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts Warranty claim payments and/or claim chargeback.
• 10217004The Isuzu Commercial Truck of America (ICTA) Service Technical Assistance Center (TAC) provides diagnostic support to Isuzu dealer technicians repairing Isuzu vehicles in and out of vehicle warranty. A TAC case number will be issued solely for information tracking purposes and future contact reference.
• 10217001The following is a list of the Isuzu-recommended Threebond product part numbers identified in the various Isuzu Workshop Manuals and bulletins. If a Threebond product is unavailable, we recommend that you utilize the chart below to find equivalent of similar products (when available) from Loctite and Permatex.
• 10056373Isuzu: information regarding corrosion inhibitor improvement that changes color of coolant to a dark color and IS added at port to both radiator and surge tank.
• 10019884Usage of E85 fuels in gm vehicles. 1997 - 2008 all gm cars and trucks. 1997 - 2008 all saturn vehicles. Updated. Updated on 10/22/07.
• 10012666Availability of new fuel injection pump oil supply pipe for replacement after removal.
• 10008676Aisin automatic transmission fluid service reminder. 2005 isuzu npr/nqr included.
• 10007742Supplement to 03-06-04-002 4hei-tc diesel engine - cold weather no start. Also includes 2002, 2003 and 2004 medium duty.
• 10006918The exhaust valve stem may become deformed which could lead to valve train clatter noise. Customer satisfaction program.
• 10005575Mi-tics injection pump exchange program/warranty guidelines effective october 1, 2003.
• 10005565Automatic transmission oil cooler flushing on certain medium duty tilt cab models and commercial models including model year 2004.
• 10005183Vehicle no-start in extreme cold.
• 10005153Throttle position sensor replacement procedure.
• 10004740Approved aisin automatic transmission on-vehicle repairs. 2004 models included.
• 10004380Replacement of output flange nut when servicing transmission. Also includes 2004 models.
• 10004320Engine oil leak at vacuum pump oil supply pipe.
• 10004305Proper positioning of fuel injection pump primer handle after use.
• 10002940Harsh shifting, delayed upshifts with possible check trans lamp illuminated, possible diagnostic trouble code (dtc) 21 set. To include 2004 models.
• 10002444Release of new tools for service: j 37228 - oil pan seal cutter, j 41736 - installer (rear output shaft seal) and dt 46717 - rear output shaft seal remover.
• 10000957Vehicle no-start in extreme cold.
• 6088704Vehicles equipped with aisin automatic transmissions may exhibit a tcm dtc 37.
• 635016Subject regarding harsh shifting, delayed upshifts, possible check trans lamp illuminated, possible diagnostic trouble code 21 stored in the transmission control module (tcm) memory.
• 634929Harsh shifting, delayed upshifts, possible check trans lamp illuminated, possible diagnostic trouble code 21 stored in tcm memory.
• 627785Information regarding automatic transmission overheat.
• 626288Information regarding fuese # 25 diode extension harness.
• 622222Some customers may comment on inoperative speedometer.
• 615679Some 1999 - current model vehicles, driven during extreme cold weather conditions, may experience pcv system freeze up, causing the rear main seal to leak.
• 615668Certain models equipped with 5.7L V8 engines, that are registered in california may experience a service engine soon light, misfire rough idle or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s).
• 614134To order an exchange injection fuel pump assembly for affected vehicles, isuzu md-tics / mi-tics pump exchange request form (form svc-c06) must be completed. This form IS similar in style to form tsvcf-5128 previously required by zexel.
• 612597Subject regarding the mi-tics pump exchange request form.
• 612579Subject regarding engine oil cooler hose replacement.
• 606007Information regarding the aisin automatic transmission diagnostic / core form.
• 602850No provisions to adjust the belt tension on the alternator after an air conditioning system IS installed.
• 602080Information regarding electrical system failure report.
• 601441Information on vehicles fuel injection pump timing gear.

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