Overheating but no heat

1987 TOYOTA 4RUNNER
3,500 MILES • 1.4L • 4 CYL • 4WD • MANUAL
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TIFFANY TERRY - CROME
  • MEMBER
  • 1 POST
Truck overheats, but no heat.
Dec 23, 2016 at 6:31 AM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,408 POSTS
Could be a bad water pump or stuck thermostat, but I would lean more toward the pump. If the impeller has failed it will not circulate the water and you get an overheated engine and no coolant flow through the core gives no heat.
Dec 23, 2016 at 6:51 AM
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