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SAVE ECCU BLOWER MOTOR - 1998 V70 T5
posted by KlausC on Fri Jun 26 10:03 CST 2009
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last visit: Sat Nov 21 21:14 CST 2009[RELATED]If the blower motor doesn't make a lot of noise when it runs, I would suspect the "resistor".
http://www.fcpgroton.com/product-exec/product_id/31846/nm/Volvo_V70_Blower_Motor_Resistor_models_with_Climate_Control/category_id/66
The resistor is to the left of the blower, the white fins are in the air flow from the blower to keep it cool. One of the reasons why recirc should not be used when the heat is on.
You can check the fan motor by plugging it into 12V directly from the battery, this is for high speed only.
Did you try just moving the blower speed to max?
Klaus
--
Common sense trumps a PhD
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SAVE ECCU BLOWER MOTOR - 1998 V70 T5
posted by Dave Spriggs on Fri Jun 26 11:31 CST 2009
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last visit: Mon Sep 7 12:15 CST 2009[RELATED]Thanks for the insights, Klaus.
The blower does not make any unusual noises. I have never used RECIRC when heating. Never that cold here in Hampton Roads VA
When this problem has occured, I have moved the fan control from AUTO through the entire range of MANUAL speed settings and back several times. No effect.
I will have a look at the blower and resistor.
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Dave in Virginia; 1998 V70 T5(M): IPD MOTRONIC+ ECU Upgrade, Sport Muffler, IPD Strut Tower Brace; VDO Boost Gauge, IPD Anti-Sway Bars, Rocha ABS Control Unit, Koni FDS Struts and Shocks/// 1988 245 DL Wagon// 1967 MGB Roadster
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