1975 Pontiac Bonneville

1975 PONTIAC BONNEVILLE
95,000 MILES • V8 • 2WD • MANUAL
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GRANDVILLE400
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  • 1 POST
my 1975 pontiac 400 cu in is overheating i hace replace the thermostat hoses and waterpump the car has been sitting for some time and when i drained the radiator it looked like mud i flushed rad several times and stilll after running the car the coolant looks like mud should i replace the radiator or do i have more serious problem
Aug 17, 2009 at 11:49 PM
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RASMATAZ
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  • 75,992 POSTS
  • ASE Certified Mechanic
Flush it real good and get that muddy out and make sure you bleed the cooling system if it continues get it block and pressure tested to rule out a blown headgasket cracked head or block-
Aug 17, 2009 at 11:56 PM
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