cxn613 Posted June 29, 2011 Share Posted June 29, 2011 This truck has two seperate problems. First is the water temp will only run at 150-160 all day. The fan kicks on countless times. Could this be a stuck therostat or a fan clutch issue? If so, will it hurt to run it for another day till it gets fixed? The second is the brake lights are stuck on. The foot valve is not stuck. Cleaned that up today and lubed the trettle. The brake lights go out once the key switch is off. Any help and suggestions are welcome. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/19565-99-ch-w350/ Share on other sites More sharing options...
cgallamore Posted June 29, 2011 Share Posted June 29, 2011 This truck has two seperate problems. First is the water temp will only run at 150-160 all day. The fan kicks on countless times. Could this be a stuck therostat or a fan clutch issue? If so, will it hurt to run it for another day till it gets fixed? The second is the brake lights are stuck on. The foot valve is not stuck. Cleaned that up today and lubed the trettle. The brake lights go out once the key switch is off. Any help and suggestions are welcome. Thanksas far as the fan kicking on countless times, sounds like overcharge on freon. see how it does with the a/c turned off.high head press.or head press.switch will make it kick in exessive.i would call the temp a good thing, lots better than 210. mine runs around 160,170 but i had an overcharge issue with the a/c that kept it around 150, fan allways kicking in.hope this helps. Quote http://www.bigmacktrucks.com/uploads/1272400769/gallery_4852_794_314995.jpg Link to comment https://www.bigmacktrucks.com/topic/19565-99-ch-w350/#findComment-80585 Share on other sites More sharing options...
Rob Posted June 29, 2011 Share Posted June 29, 2011 as far as the fan kicking on countless times, sounds like overcharge on freon. see how it does with the a/c turned off.high head press.or head press.switch will make it kick in exessive.i would call the temp a good thing, lots better than 210. mine runs around 160,170 but i had an overcharge issue with the a/c that kept it around 150, fan allways kicking in.hope this helps.and a low refrigerant charge will do the same as a precautionary measure to the system.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/19565-99-ch-w350/#findComment-80586 Share on other sites More sharing options...
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