Troubleshooting Question about a '91 Camaro RS (V8, 5.0 L) - Team Camaro Tech
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post #1 of 5 (permalink) Old Aug 27th, 06, 06:53 AM Thread Starter
 
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Smile Troubleshooting Question about a '91 Camaro RS (V8, 5.0 L)

My girlfriend drives a '91 Camaro RS (V8, 5.0 L, automatic tranny) which she just bought at the beginning of this month and last week it had the oil changed and she took it to her mechanic to install a new sensor for the radiator fan because it was not turning on at the appropriate temp and it overheated. I also installed a new top radiator hose for her because it was starting to split and crack. The other day when she shifted it into Overdrive she said it made a strange fizzling sound and there was a strong burning smell. I was not with her when it did it, so when she tried to show me later when I was with her, it wouldn't do it so that is the best I can describe it. It works perfectly fine in Drive, but she is afraid to put into Overdrive anymore because she is unsure of what the problem is. I was wondering if anyone had any ideas as to what the problem could be. Thanks everyone.
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post #2 of 5 (permalink) Old Aug 29th, 06, 07:03 PM
 
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Re: Troubleshooting Question about a '91 Camaro RS (V8, 5.0 L)

She was probably just driving it all day in the heat and by circumstance when it was in overdrive the engine coolant probably spilled over on the hot stuff around it. I have a 92 camaro, and through research learned that they made them so the fan doesn't kick on until 240*, this is too hot, either you have to get a chipt for it to turn on at 180, you could buy a tripple row radiator, it could help, or I haven't made it to there yet so if you turn your A.C on the max setting, this will trigget the fan on, it keeps my car at about 180, just keep the power knob turned to low if you don't want to feel it. Only problem is slight loss of power....hope this helps
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post #3 of 5 (permalink) Old Aug 30th, 06, 12:56 AM
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Thumbs up Re: Troubleshooting Question about a '91 Camaro RS (V8, 5.0 L)

actually they made em to kick in hotter than 240...
Try 250 before they kick in.


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post #4 of 5 (permalink) Old Aug 30th, 06, 01:03 AM
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Thumbs up Re: Troubleshooting Question about a '91 Camaro RS (V8, 5.0 L)

Just a comment on your 91.
I have one.
Check to make sure you have the air dam that pulls air up from under the car to cool the car. Make sure it has not fallen off. You may have to crawl under the car to get a good view of it. I am not refering to the front spoiler on the car, they are two different things. The air dam will look just like a long wide black piece of plastic or flap. It sits futher back under the car than the radiator does so again, you may have to crawl under the car to look. The air dam has to be there or the car is gonna run hotter than it is supposed to.
Check your tanks on the radiator to make sure they are not about to split open at the seams if it is a factory radiator. Check your water pump for play at the pully. Make sure the rad is completely full of coolant and water. The electric Fans don't kick on till it hits 250. Like DJE_holla was saying, you can turn the AC on to get the electric fan to cut on, that will help some.
Third gens are simply notorious for running hot.
It will get very very close to the red on the temp guage, and the fan should kick on, just a tad under 250 degrees. (I know, its chevy for ya) As far as the over drive, I would not be afraid to get it out on the highway. Start in drive first, get it on up to about 60 or so, shift it into OD and see what happens. More than likely everything will be ok. Watch your temp. Should creep up towards 250 degrees, then should start dropping. Its normal for this age of car and year.


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post #5 of 5 (permalink) Old Aug 30th, 06, 10:25 AM Thread Starter
 
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Smile Re: Troubleshooting Question about a '91 Camaro RS (V8, 5.0 L)

Thanks guys, I'll re-check everything. Thanks again for the help.
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