Blower Motor - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-27-2003, 12:35 PM   #11
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this one lasted 3.5 Years

I believe that the one i have is still the original or the seccond one and my car is 10 years old. But they problbaly just replaced ti when i had the AC rebuilt/replaced
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Old 01-27-2003, 09:38 PM   #12
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Finally...LOL, count on BC for an answer that makes sense.

We both had a hard time believeing that it would cost anywhere NEAR $500 dollars

I have emailed him this thread, this is great!!!
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Old 01-29-2003, 04:38 PM   #13
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Quote:
Originally Posted by G2SSEi95
Speaking of blower motors, tell me what u think about this. My mom'* car a 1985 Chevy Caprice was getting no heat but I hear the blower blowing. So last week I changed the t-stat, the rad cap, flushed the rad and replaced w new fluid. Still no heat. She said the guys at autozone told her she needs a blower motor and it'* $16. Does the blower motor control temperature?
No. If you can hear the blower blowing, it'* blowing. I think more likely you have either a vacuum line problem or a seized-up heater valve.

First of all, with the engine running, when you slide the dash selector lever to the VENT position from HEAT or DEFROST or wherever, you should hear some wheezing noises from the vacuum solenoids, and you should be able to blow air from the dashboard vents. If it'* stuck on either heater (floor) outlets or windshield defogger outlets, regardless of selector position, you have no vacuum in the system.

If that checks out okay, go under the hood and find the heater valve in one of the heater hoses going into the firewall. Make sure the vacuum line to it is attached. If so, disconnect it and make sure there is actually a vacuum draw in it. If so, see if the valve is seized up in the closed position.

If all the vacuum hoses under the hood seem to be in good shape and the heater valve looks okay, the next most likely source of trouble is a rotary vacuum selector valve on the back of the dashbut this. My mom'* car a 1985 Chevy Caprice was getting no heat but I hear the blower blowing. So last week I changed the t-stat, the rad cap, flushed the rad and replaced w new fluid. Still no heat. She said the guys at autozone told her she needs a blower motor and it'* $16. Does the blower motor control temperature?[/quote]

No. If you can hear the blower blowing, it'* blowing. I think more likely you have either a vacuum line problem or a seized-up heater valve.

First of all, with the engine running, when you slide the dash selector lever to the VENT position from HEAT or DEFROST or wherever, you should hear some wheezing noises from the vacuum solenoids, and you should be able to blow air from the dashboard vents. If it'* stuck on either heater (floor) outlets or windshield defogger outlets, regardless of selector position, you have no vacuum in the system.

If that checks out okay, go under the hood and find the heater valve in one of the heater hoses going into the firewall. Make sure the vacuum line to it is attached. If so, disconnect it and make sure there is actually a vacuum draw in it. If so, see if the valve is seized up in the closed position.

If all the vacuum hoses under the hood seem to be in good shape and the heater valve looks okay, the next most likely source of trouble is a rotary vacuum selector valve on the back of the dashboard heater control panel. It tends to break apart when it gets old, and even if its center pin doesn't break, it can leak like a sieve. Pull the dash faceplate, remove the control panel screws, gently pull the control panel outwards, and you will find the rotary valve on the back, where the vacuum lines all converge. Last time I had to buy one it was about $9, no big deal.

If you're still stuck after all this, get back to us and we can try again...
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Old 01-29-2003, 04:40 PM   #14
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What the...?

Yes, my previous post repeats itself twice. No, it did not go in like that. I can page back in my browser and see it the way it was submitted, and it was just fine. What'* going on?
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Old 02-04-2003, 07:39 PM   #15
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HEY
JUST REPLACE IT YOURSELF I DID MINE IN JULY ON A 93 AND IT WAS CAKE. JUST TAKE YOUR TIME AND PAY ATTENTION TO WHAT GOES WHERE
I HAVE FAITH IN YOU
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Old 02-07-2003, 05:43 PM   #16
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Default replaced own blower motor

My blower motor was squeaking very loudly when i bought the car. Replaced the motor myself for about 30 bucks and 15 minutes of my time.
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