1989 Buick Riviera

1989 BUICK RIVIERA
130,000 MILES • 6 CYL • 2WD • AUTOMATIC
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GEEDEE99
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  • 3 POSTS
Cooling fans not working. Check pusher and puller motors, replace pusher motor. Still not working. Suspected fan motor relays.

Where are they located? And is there a way to test?

Thanks, Greg
Nov 16, 2010 at 8:19 PM
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RASMATAZ
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  • 75,992 POSTS
Power the fan motor direct from the battery if okay test the fan relays, coolant temperature sensor-

Cooling Fan Relays
High Speed Puller FanAt position C, in underhood fuse/relay block. See Fig. 1 .
Low Speed Puller FanAt position G, in underhood fuse/relay block. See Fig. 1 .
Pusher FanAt position D, in underhood fuse/relay block. See
Nov 16, 2010 at 8:25 PM
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GEEDEE99
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  • 3 POSTS
How do you test a relay?
Nov 16, 2010 at 8:32 PM
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GEEDEE99
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  • 3 POSTS
where is the cooling fan thermostat located? How to replace?
Nov 16, 2010 at 9:21 PM