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#1 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Funky smell!
I'm getting a funky burnt smell when my engine gets hot and when the A/C is on. When I turn off the A/C off, the smell goes away. I've change the plug wires (Taylor's) and plugs (Autolite Platnums) out about 2 weeks ago and I don't recall this happening before that. I checked the wires and there's no burn marks or melted areas. There not touching the exhaust or anything hot.
If it was a burnt wire, shouldn't I smell it even with the A/C off? Maybe it's the A/C? Anyone know? Thanks. Also, the smell is more pronounced at stoplights and such! |
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#2 |
Registered User
Join Date: Mar 2003
Location: Liège , Belgium
Posts: 263
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A/C compressor
Hi ,
is your A/C compressor turning well ? the smell you have , is it rubber ? Check the belt... I got this problem at my father's 1977 Caprice Classic , the compressor was completely blocked... The Baron _________________________________________________ 1979 C10 LWB ( no A/C , no troubles , just wear shorts ![]() 1977 Impala Sedan 250ci , "Ye Old Reliable" 1960 Girl friend ( frame still good , body has some dents ) |
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#3 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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How can I tell if the compressor is turning good?
I have thought about the belts and it's been over 5 years since they've been changed. It does have a rubber smell.
__________________
Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#4 |
Robert Olson Transport
![]() Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,288
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you check the compressor by turning ont he AC and watchin it . Make sure he cluthc goes on and off in cycles it could be the clutch is siezed or something thats easilly replaced. Also check to see your AC belt is properly tight and on the pulleys correctly
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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#5 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Where exactly is the clutch? Is there a window on the compressor to look through or something.
I'm a little slow... I think I'll go look at it.. ![]()
__________________
Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#6 |
Registered User
Join Date: May 2003
Location: laughlin nv
Posts: 47
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the clutch is the part that the belt goes around --when off the center of the pully does not move --when ac is turned on the electric clutch will engage and the center part will turn
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tazman member of Mojave Street Rods |
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#7 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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OK, I checked the clutch and it is engaging normally. I did notice that the belt was vibrating wildly when the compressor is on, but it is off, the belt pulls normally.
Could the compressor be going out or is it just the belts getting worn out? Visually, they look OK, but like I said they have been on the truck for 5+ years.
__________________
Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#8 |
Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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mine does the same thing.
but mine does it whenever the switchs are in different positions. i attribute that to the controls being really old and dust covered inside and need of replacing. |
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#9 |
Robert Olson Transport
![]() Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,288
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if the belt is wobbling like crazy while the compressor is on i believe thats a sign of a bad bearing in there ( or one starting to go) may wanna check with some of the more experienced guys tho just make sure before ya go for a compressor that the belt is tight enough or isnt stretched beyond its limits
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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#10 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Thanks, Rusty. I'll do that.
__________________
Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#11 |
Account Suspended
Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,400
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for future refrence, to avoid funy smells in your truck, leave your mother-in-law at home. do not take her anywhere in your truck. this will also help your springs to last a little bit longer. springs dont like alot of heavy weight like that. :d
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#12 | |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Quote:
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