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1999 GMC Tahoe TSBs

15 Technical Service Bulletins across 8 categories

Engine

5 bulletins
634723

SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (SPARK KNOCK) DURING ACCELERATION AND / OR ILLUMINATED...

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MALFUNCTION INDICATOR LAMP WITH DIAGNOSTIC TROUBLE CODE P0332 SET. *TT

627635

INFORMATION REGARDING SECURITY LAMP ILLUMINATION ON THE INSTUMENT PANEL, ENGINE STALLS.

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*YH

625163

INFORMATION REGARDING SECURITY LAMP ILLUMINATING ON THE INSTRUMENT PANEL, ENGINE STALL, NO START, AND DIAGNOSIC TROUBLE CODE B2960.

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*SLC

10190932

Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels.

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GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility Outside Company later in this bulletin.

10190931

Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels.

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GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility Outside Company later in this bulletin.

Electrical

2 bulletins
634839

SUBJECT REGARDING REVISED WHEEL SPEED SENSOR REPLACEMENT PROCEDURE.

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*TT

10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

Pre-Delivery & Maintenance

2 bulletins
10248444

Vehicle Recalls

10232287

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

Body & Paint

2 bulletins
10190934

Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers.

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Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

10190933

Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers.

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Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

Transmission

1 bulletin
634999

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.

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*TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT

HVAC & Climate

1 bulletin
628858

SUBJECT REGARDING LOSS OF HVAC SYSTEM MODE AND/OR TEMPERATURE CONTROL.

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*TT

Other

1 bulletin
606576

CUSTOMER MAY COMPLAIN THAT THE 4WD IS INOPERATIVE.

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*TT

Software & Calibration

1 bulletin
10082506

THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT...

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A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS.