Question about 2000 Oldsmobile Bravada

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HAVE NO HEAT HAVE CHECKED ALL FUSES CHECKED ANTIFREEZE FINE NOT SURE WHAT TO CHECK NEXT

HAVE CHECK ALL FUSES AND RELAYS FAN MOTOR WORKS FINE NOT SURE IF ITS HEATER SWITCH OR WHAT ELSE TO CHECK

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  • Master
  • 417 Answers

Most likely your blend door. The door behind your dash that controls weather your A/c or your heater is working. This is assuming you still have a/c. Even if your car doesn't have a/c you will still have blend door so that you can stop heat from coming into car in summer.

Posted on Oct 29, 2012

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1992 cutlass ciera ac/heater blower

I can elaborate on this also. I have a 1992 Oldsmobile Ciera with 157k miles.

The blower motor had been losing it's bearings for a while and really lost them about a week ago. I bought a new blower motor; installed it (which can be done by loosening the power steering assembly by removing a couple lower bolts underneath the power steering resevoir. One is a "double hex bolt" which a nut, then 3 ground wires, then another hex head which will remove this bolt.) Also you need to remove a stabilizer bar the is connecting between the p/s pump and the rear cylinder head. Removing these bolts should allow the power steering assembly to be moved toward the front of the car, giving enough clearance to remove the blower motor.

We installed the new blower motor, tested it, it worked, but the relay started clicking like crazy. It was the second relay from the left on my car; you can tell which one is for the blower motor by lookign at the color of the wire going into the blower motor and looking beneath the relay panel for the same colored wire (on my car it was purple).

We put it all back together, went to test it again and it wasnt working. We then went and bought a new relay, which restored the blower to working condition. 2 minutes after we left again, it blew the relay. We then exchanged the obviously faulty blower motor, and purchased a new relay, and the car was restored to 100% functional.


In this person's case, it sounds like they just need a relay, but I just wanted to elaborate to help get this information more readily available. I feel like it would have helped me if I had it before I tried this repair. (which we got down to about a 15 minute job after the 3 times we had to do it)

Posted on Dec 30, 2008

johnny5846
  • 379 Answers

SOURCE: 1998 olds 88 heater blower motor

to answer your question , yes there is a relay ,, it is located on the center rear of the engine compartment , just below the maxi fuse block , you should see a few relays all screwed on a block together . according to picture its the one closest to the passenger side of the car , but i wouldn't count on that . this may help indentify it , it has 4 wires , 1 is yellow ,1 is tan , 1 is light blue and 1 is dark blue . just answering your question . hope ya FIX it . please vote fix ya if you find my info to your liking , thanks .

Posted on Jan 08, 2009

  • 86 Answers

SOURCE: 1992 Oldsmobile Cutlass Cierra Fan does not come on

a similar thing happened to my olds which was a 92 2.5, so im not exactly sure if this will help, but just make sure none of you relays melted, because thats what happened to mine and my fan wouldnt go on, therefore overheating my car

Posted on Jan 23, 2009

  • 14036 Answers

SOURCE: radiator cooling fan

check coolant first .if all good .hot wire the fan make sure the electric fan motor is operating.if runs when hot wire.replace the relay and coolant temperature sensor.if fan dont run.when hot wire.replace the fan motor.

Posted on May 31, 2009

  • 462 Answers

SOURCE: 2000 Olds Alero. Cooling/Heating fan stopped

The blower is on the right hand side under the dash. You are right in thinking the blower resistor is the problem. The resistor is in the heater box behind the blower. Only 2 bolts hold it in but the back one can be a challenge to remove. The bolt is 5.5 mm.

Check for power and ground with a test light at the resistor connector. You should have power on the colored wires in the various switch positions. The black one is ground.

Posted on Aug 10, 2009

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