1999 Ford Ranger THUMPING NOIES DURRING COLD SEASON WHEN HE

Tiny
JOHN LANGFORD
  • MEMBER
  • 1999 FORD RANGER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
DURING THE COOLER MONTHS WHEN THE HEATER IS IN USE I GET A THUMPIMG NOIES IN THE COOLING SYSTEM I CAN PUT MY HAND ON THE RADIATOR HOSE AN IT WILL BE THOBBING WHILE ITS MAKEING NOIES IF I TURN OFF THE HEATER THE NOISE WILL NOT HAPPEN I HAD A MECHANIC CHECK FOR HEAD GASKET LEAK HE SAID CHECK OUT OK CAN YOU HELP
Monday, February 11th, 2008 AT 4:10 PM

1 Reply

Tiny
98RANGERXLT
  • MECHANIC
  • 301 POSTS
Your blend door is stuck and trying to open.
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Monday, February 11th, 2008 AT 7:31 PM

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