2005 Buick Terraza Strange Noise

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Service Information
2005 Buick Terraza | Montana SV6, Terraza, Uplander (VIN U/V/X) Service Manual | Engine | Preliminary Information | Document ID: 1673702

#PIP3468: Service VME - Whistle Type Noise Coming From Engine - keywords 05-06-01-005A 3.5 3.5L LX9 - (Jun 15, 2005)

Subject: Service VME - Whistle Type Noise Coming From Engine

Models: 2005 Buick Terraza

2005 Chevrolet Malibu, Malibu Maxx, Uplander

2005 Pontiac G6, Montana SV6

2005 Saturn Relay

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

SERVICE VME
Recently released DTB 05-06-01-005A describes an audible whistle type noise emanating from the engine on acceleration or steady state speeds. This noise has been root caused as the PCV tube on 3.5L (VIN L RPO LX9) equipped engines. Please be aware of this concern as the customer may describe the noise as transmission related. Refer to DTB 05-06-01-005A for repair instructions.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.

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