Question about Dodge Ram 1500

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The fan when on vent or air cond seems to stope sending air inside the cab when under acceleration or load going up a hill.

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Sounds like your vacuum reservoir may be cracked or a line may be damaged. check for vacuum leaks to the canister and the HVAC system please rate -Jeff

Posted on Sep 12, 2008

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A/C fan stops completely (No Air) when accelerating.


The blower is probably running when you are accelerating, but you may not have air coming out the dash vents. If there is a vac leak in the HVAC the vent control will go back to the default setting which is defrost. You may not have enough vac to keep the blend doors on the vent setting when the engine is under load.

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2006 Hyundai Elantra with 2.0 automatic with 111000 miles. Car is hesitating and begins shaking going up steep hills. Problem seems the worst at around 3000 rpm going up hill. The car wont stop shaking...


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check your owners manual and see if you have an inside cab air filter for the heater/air cond. When they get clogged, they restrict the air flow.

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2001 dodge 2500 when I have the a/c on on go up a hill it seem that the fan is not blowing air out of the vents. After I let up on the gas it goes back to working with the air blowing.


do you mean its not blowing cold air or no air.these systems when the vehicle is under a load(gas pedal pushed)they cut out the a/c compressor to supply more power and voltage to the vehicle while accelerating and then when not it actuates the compressor.

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2000 dodge dakota quad cab 4x4 v8 air conditioning set on max stops coming out of the vents when accelerating or pulling a load and feels like it loses power, it doesn't do it on the next lowest setting....


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When I turn on the AC a moggy smell blows out of the vents. However, if I turn the AC off but leave the fan blowing air through the vents the smell go away a little. What could be causing this problem?...


mould in evaporator case?
some vehicles have a pollen filter(air conditioning air intake filter)not sure if your vehicle has but check if it has, may need replacing.
check plenum chamber(area under front windscreen)for leaves and debris.
then can try and spray mould killing pressure can(glen 20)air freshner in through intake air places under front windscreen with windows down air cond on full fan speed on fresh air while engine running or not depending on how long and how bad smell is.
may also pay to check for blocked air cond. drain tube, is it dripping water when running?
service centres or hire places have also got fragrance and mould killing machines you can use inside vehicle under similar conditions as above(ozoneator)

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A smell like burning wires when l go up a hill


hello drk...the only time you smell this is when the engine is under a load? Does is seem to be coming from the a/c vents? Any smoke? I've never heard this complaint on the 2005 6.0 powerstroke. A strong coolant or sulphur smell is what most owners report. Could you give a little more detail please?

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It just stoped running


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there should be a vacuum line running by the drivrs side shock tower that might be unhook are cracked

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