Erratic Speedometer Operation Or Speedometer Needle Shakes Above 60 MPH – 2003-2008 Isuzu Ascender

TSB SB07-04-S003

Issue Date: December 2007

 

Erratic Speedometer Operation Or Speedometer Needle Shakes Above 60 MPH

 

Affected Vehicles

2003-2008 Isuzu Ascender with 4.2L Engine Only

 

Service Information

Condition:

Some customers may comment on erratic operation of the speedometer. Others may comment that the speedometer needle shakes above 96 km/h (60 mph).

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Excessive Brake Grab, Rear Drums And Shoes – 2006 Isuzu i-280/i-350 & 2007 Isuzu i-290/i-370

TSB SB07-09-S001

Issue Date: JUNE 2007

Excessive Brake Grab, Rear Drums And Shoes

 

Affected Vehicles

2007 Isuzu i-290/i-370 (TI)
2006 Isuzu i-280/i-350 (TI)

 

Service Information

Condition:

Some customers may comment that during the first few stops the vehicle feels like the brakes are grabbing excessively. In addition, the tires may chirp and/or leave skid marks during braking.

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Air Conditioning Not Cold, Malfunction Indicator Lamp On, DTC P0116 Set – 2007 Isuzu Ascender

TSB SB06-12-S005 Air Conditioning Not Cold, Malfunction Indicator Lamp On, DTC P0116 Set

Air Conditioning Not Cold, Malfunction Indicator Lamp On, DTC P0116 Set

ISSUE DATE: DECEMBER 2006

Affected Vehicles

2007 Isuzu Ascender

 

Condition:

Some customers may comment that the Air Conditioning (A/C) does not get cold enough. Others may comment that the Malfunction Indicator Lamp (MIL) is on. Technicians may find that Diagnostic Trouble Code (DTC) P0116 (Engine Coolant Temperature Sensor Performance) has been set in the Powertrain Control Module (PCM).

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Windnoise Or High Pitched Whistle Noise Heard From Front Of Vehicle While Driving At Highway Speeds – 2007-2008 Isuzu i-290/i-370 & 2006 Isuzu i-280/i-350

SB07-11-S019

Issue Date: OCTOBER 2007

 

Windnoise Or High Pitched Whistle Noise Heard From Front Of Vehicle While Driving At Highway Speeds (This Bulletin Supersedes SB07-11-S018)

 

Affected Vehicles

2007-2008 Isuzu i-290/i-370 (TI)
2006 Isuzu i-280/i-350 (TI)

 

Service Information

This bulletin is being revised to correct the labor operation in the Warranty Claim Information section.

 

Condition:

Some customers may comment on a wind noise or high pitched whistle noise heard from the front of the vehicle while driving at highway speeds.

 

Possible Cause:

This condition may be caused by a rush of air flowing over the front grille into a gap found in the lower portion of the front park turn signal lamp housing and lens.

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