Overheating

1999 CHRYSLER LHS
183,000 MILES • 2.5L • 4 CYL • 2WD • MANUAL
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JOELENEWHEAT
  • MEMBER
  • 1 POST
Overheating and no heat. I had thermostat changed by a back yard mechanic. It has been randomly leaking antifreeze, but only when parked. What could be wrong?
Mar 7, 2016 at 5:28 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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CARADIODOC
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 34,308 POSTS
Based on the loss of coolant, the first thing is to check for a leaking cylinder head gasket. Your mechanic can perform a chemical test at the radiator for that. It involves drawing air from the radiator, while the engine is running, through a glass cylinder with two chambers partially-filled with a special dark blue liquid. If combustion gases are present, the liquid will turn bright yellow.
Mar 7, 2016 at 5:36 PM
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