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Thermo Time Switch? (1st reply deleted below for some reason) 140-160

posted by  planetman on  Mon Nov 26 14:34 CST 2007
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last visit: Fri Oct 24 09:29 CST 2014
[RELATED]

Hello,

The B21 thermo switch is mounted in the head and is exposed to cooland and uses a copper sealing washer.

The B20F thermo switch mounts in an adpater that bolts in the rear factory engine stand hole in the block and uses different threads than the B21 switch and is probably calibrated differently as it is not in the coolant.
--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90501






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