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Senior Member
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Join Date: Jun 2008
Location: North Bay, ON, Canada
Posts: 1,632
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Senior Member
Join Date: Jun 2008
Location: North Bay, ON, Canada
Posts: 1,632
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Hello 1974 FJ40,
It could be an ice/snow build up on the blower motor itself.
There was a Technical Service Bulletin issued by Toyota for this very problem:
Component Description:
1. EQUIPMENT:ELECTRICAL:AIR CONDITIONER Bulletin Number: 00207
Bulletin Date: MAY 2007
Vehicle: 2003 Toyota 4Runner
Summary:
HVAC BLOWER MOTOR ICE BUILD UP. ( NHTSA ITEM NUMBER - 10021712 )
Toyota will install (at no charge to you) a protective shield over your blower motor to prevent ice/snow from building up on the motor.
Hope this helps.
__________________
 2011 Limited 4WD with NAV: "CDN Package" (running boards, mud guards, all-weather mats, cargo liner, block heater).
Summer: Michelin Defender LTX 245/60R20 on OEM Limited 20" rims / Winter: Toyo Observe GSi-5 265/70R17 on 2018 TRD Off-Road 17" rims.
Previous: 2003 4Runner Limited 4WD V8; 1997 Lexus LS400; 1997 Camry CE; 1988 Celica Turbo 4WD; 1982 Celica GT
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