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Celeste Moreau Posted on Aug 03, 2017
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Bypassed the heater coil now car won't start 2002 grandprix

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Marvin

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  • Pontiac Master 85,242 Answers
  • Posted on Nov 09, 2017
Marvin
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Check spark, check fuel delivery to engine. Check OBD2 fault codes.

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On a 2002 montero sporst can the hoses be bypassed if coolest is linking?

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Heater not getting hot but blower is working

Without more information, I can tell you that you have a problem with your heater core. Check coolant levels and make sure you aren't low on coolant. If that isn't an issue, make sure your heater core isn't bypassed. In Texas, I see them bypassed instead of repaired because it hardly ever gets cold here. You could also have a dirty heater core that isn't allowing the heat transfer. The only other thing it could be is an issue with the temperature blend door/actuator. If it isn't opening properly to allow the warm air from the heater core to enter the ventilation system, you won't get hot air.
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No in car heating,blowers working fine but it wont produce heat. Its a 51 plate grand cherokee Thanks

If it won't produce heat then you have an issue with your heater core. The heater core could be bypassed, in which case no hot coolant will get to it to produce heat inside the cabin. The heater core could be stopped up with dirt/debris, in which case the heater core can't radiate heat to produce heat in the cabin. The ducting in the dash could not be allowing the hot air to flow to the vents - therefore no heat in the cabin. I'd start with the heater core and check to see if it is bypassed. This generally happens on older vehicles because the parts can be harder to find.
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The heater core blew on my 2000 sportage/ overheated

hi if it was running before your heater matrix leaked and now it won,t check all the wiring connections in the area of the hoses you will proberly find water has got in and is shorting the wiring if water has got on to any of the electrical system clean and dry them and spray them with a damp repleant WD40 or similar yates210456
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Chevy blazer wont start 2002

if it turns over there are a cocuple of things to check. crankshaft sensor and the coil pack maybe the computer.id start with the crankshaft sensor
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