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Old 07-12-2016, 07:03 PM   #1
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Rick J Fisher's Avatar
Alpine Owners Club
Join Date: May 2008
Location: Chatsworth CA
Posts: 181
Dash air blower problems

A while ago the dash air blower stopped moving air. The motor was running but no breeze. It comes off easily from under the dash. Turns out the plastic "squirrel" cage had disintegrated. I googled the name on it, a firm in Canada, who helped me find a new one reasonably priced and not too far away. It is an off-the-shelf item. Of course the new one was made in China.

After a while it got very noisy, especially in High Speed. I took the cage off the motor and sort of balanced it. This helped for a while. Then it got really noisy. This time it was apparent that the plastic blower had deformed and was hitting the housing. Using a heat gun, I was able to straighten it out some but it eventually got bent again. Turns out the spiral nature of the housing makes it very close to the blower where the spiral starts. Using a rotary file, I clearanced the housing. This left a hole in the housing which I sealed with tape.

Still running great.

Rick J Fisher, BW is Judy
2018 Tiffin Allegro 36LA
2003 Jeep Rubicon or a 1995 Toyota Tacoma
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Old 07-12-2016, 10:10 PM   #2
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Join Date: Nov 2005
Posts: 4,305
Wow--a lot of work to make the cage fit. Fearing the motor might quit next, I replaced the entire assembly [motor and cage] -- unless WRV changed vendors, its available from NAPA for not much money--believe it was originally a Ford Econoline van part--circa 1995.

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2003 40' MDTS
Garden Ridge, Texas
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Old 07-22-2016, 09:51 PM   #3
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Posts: 159
I replaced mine and it was the same motor and cage used in a Chevy suburban. Bolted right in and it was about $70.

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dash, dash air, ems, problems

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