HVAC flow..

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, Olds 98 91-96, Buick Lesabres and Park Avenue 91-96. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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blackbeauty99
SLE Member
SLE Member
Posts: 55
Joined: Thu Jan 02, 2014 8:41 pm
Year and Trim: 1999 Bonneville SLE 3800 N/A

HVAC flow..

Post by blackbeauty99 »

so since it was 50 degrees I thought I would give my air conditioning compressor a good run, now here is what I do not get, when its down on 60 degree it blows out the vents fantastic..but when I crank it up to 90 degrees it gets restricted..what is the deal? do I have to take out the glove box to get to the controls?
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nos4blood70
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 9522
Joined: Mon May 10, 2010 6:11 pm
Year and Trim: 2003 SLE
Location: Chicago, IL

Re: HVAC flow..

Post by nos4blood70 »

Maybe the heater core is clogged up?
-Car Guy Carl
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles
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