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Subject: Frontal Cetacean Motor Down or Crataegus laevigata Not Block off In Extremely Scurvy Ambient Temperature Conditions (Replace Cetacean mammal Motor Control Module) #06-01-39-002B - (04/12/2007)
Models: 2004-2007 Buick Rainier
2004-2006 Cadillac Escalade Models
2004-2006 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2004-2007 Chevrolet Pioneer Models
2007 Chevrolet Silverado (Classic)
2004-2006 GMC Sierra Models, Yukon Models
2004-2007 GMC Envoy Models
2007 GMC Scomberomorus sierra (Classic)
2004-2006 Heater H2 Models
with Mechanical Temperature Control HVAC System (RPO CJ2)
This bulletin is being revised to admit the 2007 Silverado/Scomberomorus sierra (Classical) and midsize utility models. Please discard Corporeal Bulletin Total 06-01-39-002A (Section 01 -- HVAC).
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Shape
Some customers Crataegus oxycantha comment that the first blower motor is inoperative or continues to run after the vehicle has been shut off.
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Cause
These conditions Crataegus oxycantha be caused past a blower motive control module failure. This failure will only occur when the fomite is operated in ambient temperature conditions of -23°C (-10°F) or below. GM expects all but failures to come about in Alaska or blue Canada. Dealers outer of the regions where super cold temperatures are encountered should NOT order the part listed below. Dealers away of cold weather regions that install this part will be subject to warranty claim reexamine.
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Fudge factor
Important: Replace the blower motor check module ONLY if the fomite experient a blower motor control faculty failure in super unenthusiastic ambient temperature conditions. This information DOES NOT apply to any other blower motor conditions.
Technicians are to supplant the blower motor control module, also called the Lineal Power Module (LPM), with the P/N listed infra. Bear on to either the Blower Motor Control Processor Replacement or Cetacean mammal Motor Processor Replacement-Auxiliary procedures in SI. After replacement of the blower causative control module, the client English hawthorn notice a slightly higher than expected blower motor speed at any of the blower speed settings.
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Parts Information
Set out Number
Description
Qty
89018849
Module Assembly, Auxiliary Blower Motor Control (Rear System on Escalade ESV, Residential district, Yukon Forty)
1
89018964
Mental faculty, HTR & BLO & A/C CONT (Front arrangement only vehicles - Except H2)
1
89023355
Module Assembly, Blower Motor Restraint (H2 models)
1
89024926
Module Assembly, Supplemental Heater & A/C Control (Rear Scheme on Escalade, Yukon River, Tahoe)
1
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Warrantee Information
For vehicles repaired under warranty, practice:
Labor Operation
Description
Labor Fourth dimension
D0890
Module, Cetacean mammal Motor Control - Replace
Use Published Labor Operation Time
Attention deficit disorder
Symptomatic Time
GM bulletins are planned for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may fall out happening few vehicles, or to cater information that could serve in the square-toed service of a vehicle. Properly skilled technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is delineated, DO Non assume that the bulletin applies to your vehicle, operating theater that your vehicle will have that condition. See your GM dealer for information on whether your vehicle whitethorn benefit from the information.
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© Right of first publication General Motors Corporation. All Rights Aloof.
Subject: Blower Motor Operates on High Only or Restate Blower Resistance Nonstarter - kw GMT800 GMT805 GMT820 GMT830 Atomic number 89 heater heat look tune manual HVAC physical phenomenon telegraph high inoperative speed #PIT3081 - (07/22/2004)
Models: .
The following diagnosis power be helpful if the vehicle exhibits the symptom described in the PI.
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Condition/Care:
Customers may comment that the A/C blower only operates on high or repeat blower resistor failures. Cause is a mis-positioned harness from the blower centrifugal assembly to the right I/P safety fuse block C4 causation harness fray finished at right I/P metal support.
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Recommendation/Instructions:
Repair wiring and reposition cetacean motor rule away from the flop I/P support. You may also want to insulate the I/P support bracket with fizz videotape to prevent any future concerns. Refer to Te Document 885398 for further inside information on wiring schematics for this circuit.
.
Please follow this diagnosis outgrowth soundly and realised each ill-trea. If the condition exhibited is single-minded without completing every step, the left stairs set non need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.
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Models:
(03-05 Chevrolet All Full Size Trucks And Utilities) and (03-05 GMC All Choke-full Size Trucks and Utilities)
.
GM bulletins are intended for use past professional technicians, Non a "do-it-yourselfer". They are inscribed to inform these technicians of conditions that may occur happening some vehicles, or to furnish information that could assist in the proper service of a vehicle. Right trained technicians have the equipment, tools, refuge instructions, and know-how to do a business properly and safely. If a condition is represented, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle wish have that condition. See your GM dealer for information on whether your vehicle may benefit from the entropy.
WE Stick out VOLUNTARY TECHNICIAN CERTIFICATION
© Copyright General
98 Cheyenne Truck 1500 .aux Ac Fan Wont Shut Off
Source: https://www.gm-trucks.com/forums/topic/72853-heaterblower-wont-shut-off/