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Why do I smell antifreeze?

This is a discussion on Why do I smell antifreeze? within the General Help forums, part of the LSx Technical Help Section category; When I drive my 02 Z28 I can smell antifreeze when I get out of the car. I DON'T smell ...

  1. #1
    Junior Member
    Join Date
    Aug 2012

    Midnight Blue
    2002 Camaro Z28

    Why do I smell antifreeze?

    When I drive my 02 Z28 I can smell antifreeze when I get out of the car. I DON'T smell it IN the car, only when I get out of the car. What would be causing this? Thanks.

  2. #2
    Moderator 98TransAmWs-6's Avatar
    Join Date
    Apr 2010
    Fairfax, VA

    Black/ Silver
    98 TA WS6/ 01 C5 Corvette

    Check your heater core and make sure it isn't leaking. If it was your carpet on the passenger side would most likely smell like it. That and perhaps the glove box.
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
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  3. #3
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Mansfield, PA

    Black & Blue
    '02 WS.6 / '07 Suburban

    You most likely have a small coolant leak somewhere. First, take a look at your radiator cap as there have been issues with them sealing when they get older. After that, carefully look over all the tubing and hoses, including the air bleeds, throttle body, heater hoses and radiator hoses. You should also take a look at the overflow bottle (under the battery) and the water pump. Head gasket is also a possibility, but not especially common on our cars. Let us know what you find.

  4. #4
    Veteran 0rion's Avatar
    Join Date
    Aug 2005

    98 Formula
    06 duramax have a leak under the hood somewhere. Usually not that hard to find. Just start chasing hoses down and there's a crossover pipe that runs between the heads. There are little rubber o-rings on that where it bolts down to the head....check there too.

  5. #5
    Junior Member miguelr1988's Avatar
    Join Date
    Sep 2012
    colton ca

    2000 Z28

    Check all your hoses , make sure you look closely at the radiator they tend to build small cracks and leak through there.

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