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#1
11-18-2008, 09:04 PM
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heat
hey guys got a 01 blazer here bought last year had tons of heat. now im getting less heat than last year when driving ,noticed at stop light and idling still for about one min it starts to blow a tad cooler now. Fluid is up both heater core hoses warm and top radiator hose is warm and lower is cold should it be? plus the temp gauge is were it usually sits when it runs hot . anyone got any ideas before i head to garage? Thanks
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#2
11-18-2008, 09:10 PM
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Re: heat
If it is full then the problem is most likely the thermostat.
__________________
www.staugustaplumbing.com
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#3
11-19-2008, 09:30 AM
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Re: heat
Auto or manual heater controls?
Does all vents and tempt controls switch back and forth? Engine up to 195 degrees? If so all hoses should be hot to touch. Is both heater hoses hot to touch?
__________________
Remember proper testing gives us the answer to many problems. MT
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#4
11-19-2008, 04:48 PM
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Re: heat
both heater core hoses get hot and so does top radiator hose the lower radiator hose is not getting hot its cool ----- fluid in radiator is full manual controls for heat..... any help ? thanks again
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#5
11-19-2008, 06:52 PM
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Re: heat
Quote:
__________________
Remember proper testing gives us the answer to many problems. MT
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#7
11-20-2008, 08:44 AM
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Re: heat
Does the temp control switch /go to cold and warm and hot?
Pull heater hoses and check for good coolant flow to and threw heater core. Try a back flush on heater core. Has coolant ever been serviced?
__________________
Remember proper testing gives us the answer to many problems. MT
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#8
11-20-2008, 08:48 AM
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Re: heat
Check actuater motor and shaft for full travel from cold to hot.
Up in the how to section there is some good info and pictures of the actuator motor.
__________________
Remember proper testing gives us the answer to many problems. MT
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#10
11-21-2008, 09:49 AM
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Re: heat
How to is in S-10 forum.
http://www.automotiveforums.com/vbul...lay.php?f=2069 Let us know what you find. Good luck
__________________
Remember proper testing gives us the answer to many problems. MT
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#11
01-14-2009, 09:49 PM
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Re: heat
had radiator flushed and heater core hoses flushed and blown out seems to have it fixed now. was way cheaper than trying a new heater core. anyone should try this flush and blown out on hoses and heater core before buying .
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#12
01-15-2009, 09:41 AM
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Re: heat
Quote:
Thanks for posting back how it went. Also a good coolant service ever 3 years or 50K heads off a lot of problems.
__________________
Remember proper testing gives us the answer to many problems. MT
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