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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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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