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Thread: a/c charge

  1. #1
    Senior Member
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    a/c charge

    I want to charge my a/c unit. I want to know where the lowend adapter at?

  2. #2
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    it is behind the compressor. its quite hard to reach.

    nenad
    2002 S500
    2002 CLK430 w/ 5.5L swap
    2002 SLK32 AMG
    2003 S430 w/ 5.0L swap
    2000 ML55 AMG

  3. #3
    OG Moderator
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    there is one at the front of the car (behind the removable grille)
    and the other one is down in behind the compressor as nenad pointed out.... not very easy to get at.
    *2002 E320 4Matic Wagon* Daily
    --Not lowered—18" Alphards—Stock exhaust.
    Lots Coming—3 piece 18" AMG Aero II—Custom Bags—Wide Fenders—W210 E55 Engine Swap with 4matic—

    *1999 C230K Turbo* Track Car
    --18" SL55 AMG's--KW V2 Suspension--SLK55 Front and Rear Brake--Wiechers Braces--Custom GT28 Turbo--Custom 3" Exhaust--68mm Throttle body--450cc Injectors--Custom Intake Manifold--Custom liquid to air intercooler--C36 Rear--Brabus Front--

  4. #4
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    is it the black cap behind the grill?

  5. #5
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    Originally posted by marksbenz
    is it the black cap behind the grill?
    thats the high pressure port. do not charge the freon thru it. the hi side is for system pressure monitoring. low side is for charging and system temp monitoring.

    nenad
    2002 S500
    2002 CLK430 w/ 5.5L swap
    2002 SLK32 AMG
    2003 S430 w/ 5.0L swap
    2000 ML55 AMG

  6. #6
    Senior Member
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    Oct 2004
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    why do you want to charge it? that may be more important then the charging itself... unless the system has a leak you should never have to charge it... and if it does have a leak charging it now without fixing the leak is only a temporary fix...

  7. #7
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    Yeah i want to check if the system has a leak. So you mean the car doesnt run out of freon?

  8. #8
    Senior Member
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    Oct 2004
    Posts
    253
    right... if the system is working properly it will never run out of freon...

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