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940 electrical problems 900 1994

posted by  Volvodad on  Thu Oct 19 18:32 CST 2017
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last visit: Thu Oct 23 16:18 CST 2014
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Agree that new bulbs may solve the bulb warning issue. Also, at the age of these cars, corrosion in electrical contacts is common. When you replace the bulbs have a look at their holders and sockets to check if clean and free of white, powdery corrosion. Insert and remove the bulbs a few times to ensure good electrical contact.

The vacuum servos which control the flaps that direct heating and cooling airflow can incur ruptured rubber diaphragms with age. Check here:

https://www.brickboard.com/FAQ/700-900/HeatingVacuumServoReplacement.htm

--
Bob: Son's XC70, my 83 244DL, 89 745 (Chev LT-1 V8), 98 S90 (recently sold) and XC60. Also '77 MGB and four old motorcycles






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New 940 electrical problems [900][1994]
posted by  sandpiper32  on Wed Oct 18 17:14 CST 2017 >


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