is there a filter for the hvac system - 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 07-23-2006, 01:16 PM   #1
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Default is there a filter for the hvac system

the fan in my 93 seems worthless and my truck was the same way untill i had the heppa filter replaced. does this car have the samething? where is it?
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Old 07-23-2006, 01:20 PM   #2
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There'* no filters in these, what I've learned that works good is taking your wiper arms off, then removing the plastic cover that runs along the bottom of the windshield, and try to get in where the openings are and trying to pull crap that made it through the screen out of there.
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Old 07-23-2006, 11:25 PM   #3
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Gunk builds up on the evaporator and cuases it to plug up. I followed these directions and found my evaporator was completely clogged. This helped me a lot.

http://www.bonnevilleclub.com/forum/...e=article&k=63
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