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94 Plymouth Grand Voyager has no heat
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JanesAddiction
New User
Dec 11, 2009, 5:20 PM
Post #1 of 4
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94 Plymouth Grand Voyager has no heat
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I have a 94 Plymouth Grand Voyager with a 3.3L engine and about 330,000kms. There is no longer a/c on the vehicle as the pump went so we put a bypass pulley kit on instead of replacing the a/c pump. We have replaced the thermostat twice, water pump, water valve, the radiator cap, and the main serpentine belt as well as forward flushed and reverse flushed the system as well as flushed the system with CLR (as recommended by my mechanic) and also checked to make sure that the blend door is not stuck and is working properly. There is air flow, it's only cold. The temp gauge does go up to normal temp. We have purged the system by jacking it up and leaving over night. Both of the lines going from the heater core through the fire wall are almost hot to touch when running at normal temp.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 11, 2009, 5:30 PM
Post #2 of 4
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Re: 94 Plymouth Grand Voyager has no heat
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With the engine at full operating temp, locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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JanesAddiction
New User
Dec 11, 2009, 5:35 PM
Post #3 of 4
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Re: 94 Plymouth Grand Voyager has no heat
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Yes, both hoses are hot to touch when at full operating temp.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 11, 2009, 5:37 PM
Post #4 of 4
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Re: 94 Plymouth Grand Voyager has no heat
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Then your problem can only be in the blend door. There are no other possibilities. Hot water is traveling through the heater core but the door is not directing the air properly ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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