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climate control on LPG V6

Propwash

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I have brought a 98 model VS V6 work ute, under more than light throttle the air /fan is on ( even with the and Air con off or on ) dash out put changes to the foot out put, and once you cruse it moves back to the output selected is it a LPG thing, vacuum ?? any help would be great.
 

woteva

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Sounds like you have a vacuum leak somewhere. First check the vacuum ball fitted under the passenger side front guard behind the headlight. See if the hose is still attached or ball is cracked or missing
 
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J_D 2.0

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Definitely a vacuum leak. The air control flap lifts up on vacuum so when there is none it falls down to the foot setting. I had this issue before on my VN and one of the vacuum hoses had fallen off.
 

Propwash

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Thanks for the quick replies, found the ball it seems intact and tubes hooked to it. the tubes in the engine bay look intact with no splits. it also feels like the heater is staying on a bit. the tubes look to go into the cabin through the firewall. oh crap I hope I don't need to go under the dash but if I have too, it is what it is. any help again would be great
 

J_D 2.0

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When mine did it the problem was in the dash. Hose had fallen off behind the dash controller dial.
 

Propwash

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OK I think that control cluster pops out. its just annoying, I well have a look on the week end, thanks heaps
 
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