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04-07-2011, 06:51 PM | #1 | |
AF Newbie
Join Date: May 2009
Location: Nappanee, Indiana
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1994 Prizm runs hot at high speeds
My Prizm runs very hot at high speeds. No leaks, no coolant in oil, changed thermostat twice, bottom hose cool top hose hot, fans running fine, and blows out hot air from the heater. Blows coolant back into the overflow reservoir when hot. Could it be a clogged radiator or the system needs to be bled?
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04-07-2011, 08:16 PM | #2 | |
AF Enthusiast
Join Date: Jul 2005
Location: troy, Ohio
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Re: 1994 Prizm runs hot at high speeds
You said top radiator hose is hot, now does radiator itself get hot, all the way top to bottom? side to side? if not, she's all clogged up- wherever it's warm, there is flow, where it is cool, no flow- pretty simple to check- the hard thing may be being able to feel the entire surface areas. I'd replace it if it's cool- boneyard or new is your choice.
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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 '68 Camaro 396 4 spd RS/SS -72k miles- |
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