2001 Vauxhall Astra over heating

2001 VAUXHALL ASTRA
83,000 MILES • 6 CYL • 2WD • MANUAL
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WHITEWATER
  • MEMBER
  • 1 POST
why does my astra over heat when i go over 50 mph
if i keep it below 50 mph its fine
also the air vents dont blow out hot air any more
a friend said it could be a blown or cracked head gasket
ive checked the water and there dos'nt seem to be any oil in it
any ideas
Apr 14, 2008 at 2:14 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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DAVE H
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 13,384 POSTS
check/replace thermostat check heater core hoses are both getting hot with heater blowing and vehicle at normal operating temp .. if not suspect heater core is blocked and flush the core !
Feb 24, 2009 at 5:16 AM
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