5.2L 4HK1 Diesel Engine Exchange Program
| Subject: | 5.2L 4HK1 Diesel Engine Exchange Program |
| Models: | 2007 Chevrolet W3 Medium Duty Tilt Cab Models |
| 2007 GMC W3 Medium Duty Tilt Cab Models |
| 2007 Isuzu NPR Commercial Models |
| with 5.2L 4HK1 Diesel Engine (VIN 6 -- RPO 1L5) and 12,000 lbs GVW |
| 2008 Chevrolet W4/W5 Medium Duty Tilt Cab Models |
| 2008 GMC W4/W5 Medium Duty Tilt Cab Models |
| 2008 Isuzu NPR-HD/NQR/NRR Commercial Models |
| with 5.2L 4HK1 Diesel Engine (VIN 6 -- RPO 1L5) |
Important: This service bulletin is not applicable to 'GM of Canada' dealers.
Product Quality teams continually seek valuable information for engineering improvements. The new 2008 Model Year with 5.2L 4HK1 Diesel Engine in the models listed above, Isuzu Motors will be strictly monitoring Engine Performance until May 31, 2008.
During the 2008 model year evaluation period (start of sale through May 31, 2008), the following components related to engine will be monitored:
| • | Engine |
| • | Turbo |
| • | Fuel Supply Pump |
| • | Fuel Injector |
| • | ECM |
| • | Diesel Particulate Filter (DPF) |
Based on the failure information provided to Isuzu Motors America, it may be decided to exchange the complete engine assembly for engineering evaluation. In this situation, the new engine will be provided at no cost and the dealer should use the following parts mark-up allowance.
Labor Operation | Part | Allowance |
|---|---|---|
J1820 J1840 | Engine Assembly | $900.00 |
Replaced failed engines will be sent to McLaren Performance Tech. Dealers must be ready to have the failed engine picked up 2-3 days after the repair. Dealers will need to include all failed parts and a copy of the repair order with the shipment. Dealers will need to pre-pay the freight charges and put the freight charges for the engine on the warranty claim for reimbursement.
The dealer will need to arrange shipment of the engine to:
McLaren Performance Tech 32233 West Eight Mile Road Livonia, MI 48152 248-477-6240 (For Transportation Reference Only)
Engine Investigation Worksheet
The following worksheet is to be completed by the dealer for all failures related to engine and faxed to 562-229-7005.
Detailed Failure Information
A thorough diagnosis must be performed on the condition in order to prevent unnecessary engine replacements. Isuzu Motors America may request the dealer to perform additional work in order to accurately understand the failure and validate the necessity for engine replacement.
Parts Information
Upon review of the diagnosis, if the engine should be replaced then Isuzu Motors of America will send out the replacement engine.
Warranty Submission Parts Amount
The engine assembly is supplied at No Charge. Submit for normal labor hours and allowance as described above.
Engine Investigation Worksheet | |
|---|---|
Vehicle:
VIN:
Failure Mileage:
Body Type:
Dealer Code:
Dealer Name:
Telephone:
Contact Name:
R.O. Date:
R.O. Number: | |
Driver: (at the time of failure)
Complaint:
Driving condition:
Engine gauges/warning system:
Latest maintenance history:
| |
Technician: (Do NOT disassemble engine)
All-around inspection:
DTCs:
Detailed diagnosis:
Suspected failed part:
Upfitter modification/PTO:
| |
Isuzu Information: Fax this completed form to 562-229-7005 for further instructions. Call GMICT Technical Assistance Center (TAC) if you need assistance. |
