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1999 chevy 1/2 ton silverado Z71 4x4 LS

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Old April 19th, 2011, 3:59 PM
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Default 1999 chevy 1/2 ton silverado Z71 4x4 LS
No heat from heater, any tips on air blend door location or any other things to check... Help Please! Its still Winter in Wyoming!!! Thank You
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Old April 19th, 2011, 9:44 PM
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Originally Posted by Clay2026
No heat from heater, any tips on air blend door location or any other things to check... Help Please! Its still Winter in Wyoming!!! Thank You
More info is needed, does it heat at all, and just can't switch from the floor to defrost???? there are two servo motors on the driver side of the heater unit, under the dash. and each of them have a spring loaded linkage. inspect both of these to see that they are ok. P.S
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Old April 20th, 2011, 7:16 AM
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I had the same problem...all I did was flush out my heater core and now it gets hotter than it ever has
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Old April 20th, 2011, 11:58 AM
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Default No Heat
Originally Posted by tinbender59
More info is needed, does it heat at all, and just can't switch from the floor to defrost???? there are two servo motors on the driver side of the heater unit, under the dash. and each of them have a spring loaded linkage. inspect both of these to see that they are ok. P.S
All functions work, floor thru defrost just fine so the problem is somewhere else! Thanks for Your Help!!!
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Old April 20th, 2011, 12:05 PM
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Thanks for the help, I'll flush the system and heater core!
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Old April 21st, 2011, 3:19 AM
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Flushed Heater Core and Problem Solved! Thanks for All...
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