Sometimes while driving we hear a whoop sound. I know it sounds crazy. It sounds a lot like a quick police siren.
Aug 8, 2008 at 10:22 AM
2005 Buick Terraza Strange Noise
2005 BUICK TERRAZA
BETH114
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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
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#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
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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.
WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
© 2008 General Motors Corporation. All rights reserved.
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.
WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
© 2008 General Motors Corporation. All rights reserved.
Aug 15, 2008 at 11:35 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.