1990 Ford Crown Victoria Engine Bang

1990 FORD CROWN VICTORIA
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NEWYORKER
  • MEMBER
  • 7 POSTS
hi,
I have a 1990 Crown Victoria Wagon-181000 miles.
whenever i drive quite a bit, upon stopping at a light i hear a banging noise coming from the engine. I believe it has something to do with the coolant getting hot. i felt the upper large coolant hose and felt it hot and pulsing.
would anyone know why i hear this banging noise coming from the engine when coolant gets hot. the car never overheats and rides smoothly. is it possible i have to change my thermostat?
any help would be greatly appreciated.
thank you
Sep 5, 2006 at 6:25 AM
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NOS
  • ✓Experienced Mechanic
  • 320 POSTS
yes it is possible you need a new thermostat. or possibly the radiator needs a good cleaning. the water may not be flowing throught it good enough. may also be hotter than it shows (NOS)
Sep 6, 2006 at 12:36 PM
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SACRILIDGE06
  • MEMBER
  • 13 POSTS
Have the motor mounts been checked? most times that is the problem with stopping and having a clunk sound from the motor.
Sep 27, 2006 at 5:35 AM
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Suggested Repair

Check the thermostat and radiator coolant flow, including a radiator cleaning if circulation is poor. Also inspect the motor mounts, which can cause a clunk when stopping.

Conversation Summary

The owner of a 1990 Ford Crown Victoria wagon with 181,000 miles reported a banging noise from the engine after driving and then stopping. The upper coolant hose felt hot and pulsing, but the car did not overheat and otherwise ran smoothly. One reply suggested a thermostat or restricted radiator flow, noting the engine may be hotter than the gauge shows. Another suggested checking the motor mounts as a common cause of a clunk when stopping.

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