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Thread: Driving car without A/C Compression drive belt?

  1. #1
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    Driving car without A/C Compression drive belt?

    Out of curiosity, I have heard that driving the car without the A/C compression drive belt does not hurt anything, you just won't be able to use your A/C. True or false? I'm talking no more than two days driving without one.

    Thank you all in advance!


    -Fluxn83

  2. #2
    DMC Midwest - 815.459.6439 DMCMW Dave's Avatar
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    Quote Originally Posted by Fluxn83 View Post
    Out of curiosity, I have heard that driving the car without the A/C compression drive belt does not hurt anything, you just won't be able to use your A/C. True or false? I'm talking no more than two days driving without one.

    -Fluxn83
    Won't hurt anything. The belt only drives the A/C compressor. If leave it off, the compressor won't turn. Fewer things to go wrong (compressor bearing and two idler bearings, and the belt itself). In my experience cars that come in like this generally have frozen/dry idler bearings from lack of use, but that won't happen in two days. More like years.
    Dave S
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  3. #3
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    If the belt is not on it usually means the A/C doesn't work. The car is still drivable BUT. If you try driving the car and the temperature is over 70 degrees F and sunny you will overheat like HRC. My advice would be to check if there is ANY pressure in the system. If less than 20 psi it has to be treated as if it is a dead, contaminated system and I would replace the 3 hoses, all of the seals and the accumulator dryer. Replace the oil, flush the coils and leaktest. I would also replace the 2 idler bearings and a new belt.
    David Teitelbaum

  4. #4
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    Good description of the belt functions here:

    http://support.delorean.com/kb/a39/belts.aspx

    And also an answer to your question about whether it hurts anything to drive without the A/C compressor belt.


    Sept. 81, auto, black interior

  5. #5
    Young Padawan With The DeLorean kings1527's Avatar
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    Quote Originally Posted by David T View Post
    If the belt is not on it usually means the A/C doesn't work. The car is still drivable BUT. If you try driving the car and the temperature is over 70 degrees F and sunny you will overheat like HRC.
    How is it even possible to overheat the car without the AC belt attached? The AC belt is routed from the compressor to the crankshaft pulley. It has nothing to do with turning the water pump.

    Alex Abdalla
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  6. #6
    Senior Member Dangermouse's Avatar
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    He means that you, the driver, will overheat like Mrs. Clinton.

    Not the car
    Dermot
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  7. #7
    Young Padawan With The DeLorean kings1527's Avatar
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    Quote Originally Posted by Dangermouse View Post
    He means that you, the driver, will overheat like Mrs. Clinton.

    Not the car
    Lol...perfect response! Thanks for clarifying!

    Alex Abdalla
    6575

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    A stock-look with modern, reliable technology.

    A full restoration with step-by-step "what I did" is in progress at www.delorean6575revisited.blogspot.com

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    Wear a bowl on your head with dry ice?
    Rob Depew
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  9. #9
    DMC Midwest - 815.459.6439 DMCMW Dave's Avatar
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    Quote Originally Posted by Lwanmtr View Post
    Wear a bowl on your head with dry ice?
    Drive naked but you'll probably stick to the seat.
    Dave S
    DMC Midwest - retired but helping
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  10. #10
    Senior Member DMCVegas's Avatar
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    That's absolutely true, as is the fact that I drove my car year round in Vegas for nearly 5 years with no A/C and can tell you that it's not nearly as bad as others let on. Convertibles like Jeeps are much worse. Unless you live in a swamp where you need it to dry the air out and defog the glass, you'll be just fine.
    Robert

    People they come together, people they fall apart...

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