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Sedans Cadillac DeVille 97 Deville Idle and Coolant
20 messages, Last post on Dec 27, 2008 at 6:56 PM
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my coolant ran up to 260...i shut the engine off. mechanic replaced surge tank, thermostat, and radiator for 800 bucks parts and labor. now heat does'nt work and i ran up to the steamin' 260 again...of course i shut down and the mechanic says he will look at it again. he says there are no signs of a blown headgasket and will have to look into it some more. before i left he said he had it idle for two hours with no problems...that my coolant problem was fixed. he also suggested that i replace all those parts in order to fix the problem! two questions...what could the problem possibly be? what obligation does this shop have after telling me the problem was fixed? he said there were no signs of a head gasket problem.
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Replying to: hagerhorst (Dec 08, 2008 6:18 pm) If driving slowly does not overheat, but going to high speed (60mph+), or driving up a hill, does start an overheat - blown head gasket problem. There might be a problem with the small belt that drives the water pump. This is driven off the rear of the left head cam. Which means it it near the front of the car on the driver's side. This belt is under a metal cover. Or might be a problem with a sticking thermostat or bad water pump. But these usually don't cause a problem. I don't understand why this causes the heat to fail. I'm not going to get into whether or not the mechanic owe you anything for the problem continuing. This is between you and him. |
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Every 5-6 days had to add about 1-1.5 gallons of water to system. Water has been leaking from left front of vehicle for abour 2 months. the other day on 60 min drive engine heated up to 260 degrees and warning light came on. got home and had to add about 2 gallons of coolant. could the water pump be leaking? dont think this model has a weep hole like others. The pump is the type that sets in the housing and seals with an o-ring. Any help?
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Replying to: jpix1 (Dec 26, 2008 2:39 pm) Or, the cross over pipe is leaking. Much more involved to repair. Both are on the left front on the motor area (Essentially the 'rear' of the motor since it sits in there cross-wise). What aren't you fixing this leak? You are going to burn the motor up if you continue to run it while low on coolant. Or blow a head gasket - which is already a weak point of Northstar motors, and very, very expensive to repair.
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Replying to: bolivar (Dec 27, 2008 3:56 am) |
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