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1989 Buick Riviera

Tiny
GEEDEE99
  • MEMBER
  • 1989 BUICK RIVIERA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
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
Tuesday, November 16th, 2010 AT 8:19 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 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
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Tuesday, November 16th, 2010 AT 8:25 PM
Tiny
GEEDEE99
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  • 3 POSTS
How do you test a relay?
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Tuesday, November 16th, 2010 AT 8:32 PM
Tiny
GEEDEE99
  • MEMBER
  • 3 POSTS
Where is the cooling fan thermostat located? How to replace?
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Tuesday, November 16th, 2010 AT 9:21 PM

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