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Old 07-01-2010, 07:29 PM
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brcidd brcidd is offline
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Re: new cooling sensor but still no fans

You say the temp guage went up--- so how high? Fans typically don't come on until engine temp hit 227 degf-- so just sitting idling- you will wait maybe 20-30 minutes to get the fans to come on--- How do you know you have a fan problem? You say they work with a/c- so there is no fan relay or fan motor problem. You may not even have a problem at all. You maybe just don't understand your system. If temp guage goes in the red and coolant is spewing out the overflow, then I'll agree, you have a problem--- but if temp guage goes up a little higher than "normal" then you probably are not used to seeing the guage reading with no a/c on during the summer months. You went all winter with guage at 3/8 now that it is summer and you are not using the a/c the guage reads 1/2---THAT IS NO BIG DEAL- and is considered normal. system is operating as it should. So what makes you think you have a problem?
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Automotive A/C Engineer with:
'99 IH 4700 Toy Hauler
(2) '95 GEO Prizms both maroon
'99 GMC Yukon
'95 Chev 3500, 454 Dually Crew Cab- 145k miles-
Wife's Camel trailer puller.
'94 Astro- 370k miles
'94 Firebird Formula- 5.7L 180k miles- gone-
'92 Chevy Lumina Van 3.8L 264k
'86 GMC S-15 - 2.8L 154k
'87 Buick Park Ave . 187k
'86 Buick Park Ave 3.8L 199k miles- gone
'77 Chevy Vega- 2.5L 175k miles gone but not forgotten
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