How do i replace heater blower on 2001 olds bravada

if fan not blowing check fuse relay --if good check control -switch -regulator -fan

1997 Oldsmobile Bravada heater core removal - YouTube

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1997 Oldsmobile Bravada heater core removal ... How can I replace a blend door actuator on a 99 Bravada? .... Heater core replacement 2000 S10 4.3L ( slideshow picture ) - Duration: 3:52. by Joe Lleras 169,585 views. 3:52.

Oldsmobile bleed air in heater core Cars & Trucks ... - Fixya

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If your cooling system has any bleed screws incorporated, crack them once in a while as well. 2000 Oldsmobile Bravada heater blows cold air. Had a new heater .

Assuming you mean when the car is running. Either way, you should start by checking the blower motor resistor and then heater control head. Worst case if you can't figure it out, you can always pull the fuse until you can get it into your regular mechanic.

Sounds like a relay or the low pressure switch.
Does the blower work but no cold air, or no air at all ?

You might pull it out and see if it is stuck by moving the fan yourself.

I would have someone check your computer, both just watching, and with an OBDII sensor.

If the blower motor doesn't not turn on than its very likley that the blower resistor or the blower itself is bad. This will help figure out which one of the two it is.

http://www.fixya.com/cars/r6571076-blower_motor_not_work

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Have the battery checked,with a load check,and the alternator to see that it is charging,if these check out fine,replace the starter

First check to see if the system has the proper amount of coolant in it. Sounds like the heater core is blocked. You must get circulation in order to get heat. I assume the electric fan/blower is working.

I have seen the rubber o ring on the gas cap leak or have dirt under it. Newer chevy pickups are know for this. causes code 402 normally. check your blower motor resistor on the heater box this can cause the fan to run all the time.