NO heat

1989 TOYOTA PICKUP
170,000 MILES • 4 CYL • 4WD • MANUAL
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DKYLE_20
  • MEMBER
  • 3 POSTS
1989 toyota pickup. i have a leak in my radiator whicj im am replacing, but i also do not have heat, could this be caused by my thermostat. if so how do i tell if i need to replace it?
Jan 23, 2011 at 10:49 AM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
how bad a leak? low coolant can cause heater not to function. after radiator change, check heater hoses at firewall for hot. if 1 is cold/cool you probably have a plugged core. backflushing may fix it. if both hot problem is inside with control system. if your truck has heater hose control valve check that too for open.
Apr 18, 2011 at 2:26 AM
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