poor vent heat.

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
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Posts: 55
Joined: Thu Jan 02, 2014 8:41 pm
Year and Trim: 1999 Bonneville SLE 3800 N/A

poor vent heat.

Post by blackbeauty99 »

I have noticed with this bonneville the heat vents blow out very little air. Are the doors not opening all the way?
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J Wikoff
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Year and Trim: 1992 SSE
2009 G8 GT
Location: Central Illinois
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Re: poor vent heat.

Post by J Wikoff »

They were never very strong to begin with.
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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights
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95se
Posts like an L27
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Joined: Tue Apr 23, 2013 9:02 am
Year and Trim: 1995 se bonnie

Re: poor vent heat.

Post by 95se »

92-99 airflow sucks, ask anyone with one lol
1995 se
128,101
custom FWI
rt-95 rims look kinda like crosslaces
6000k hids
f- body muffler dual output
96-99 headlight conversion, clear markers
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Evan0801
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Posts: 168
Joined: Wed Feb 23, 2011 8:47 pm
Year and Trim: White 1994 Pontiac Bonneville SE, 3800 Series 1.
Location: Fort Madison Iowa

Re: poor vent heat.

Post by Evan0801 »

seems like the passenger side gets more airflow on mine.
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1994 Bonneville SE - Series one. L27
1998 Bonneville SE - Series Two. L36
2001 Bonneville SSEI - Series Two. L67
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95se
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Posts: 795
Joined: Tue Apr 23, 2013 9:02 am
Year and Trim: 1995 se bonnie

Re: poor vent heat.

Post by 95se »

Evan0801 wrote:seems like the passenger side gets more airflow on mine.
I would agree, they are closer to the blower motor tho
1995 se
128,101
custom FWI
rt-95 rims look kinda like crosslaces
6000k hids
f- body muffler dual output
96-99 headlight conversion, clear markers
Image
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Pontiac1
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Posts: 222
Joined: Sat May 24, 2008 8:30 pm
Year and Trim: 1993 SSEi
Location: West Des Moines,Iowa

Re: poor vent heat.

Post by Pontiac1 »

Have you cleaned the Evap core,this improved my airflow by 40%
http://www.pontiacbonnevilleclub.com/fo ... c2432.html
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