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Thread: Coolant Leak

  1. #1
    8bucksagallon is offline Registered User 8bucksagallon is on a distinguished road
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    Coolant Leak

    Hello, I have developed a coolant leak on my vehicle. It seems to be coming from a valve situated on the left hand side (as you look at the vehicle from the front) My question is what is this item called? I need this as parts are difficult to obtain over here in the UK unless you can tell them EXACTLY what you want! It is inline on a a pipe approx 1 1/2 inches in diameter, wit a 1/4 inch pipe leading from it and looks like a coolant return pipe from the heater, though not absolutely sure. The truck has front and rear air. The pipe is adjacent to the exhaust manifold. Many thanks in advance
    1997 K2500 GMC Suburban
    7.4 Vortec
    2005 Alloys

  2. #2
    Ron Rousseau is offline Registered User Ron Rousseau is on a distinguished road
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    Does it look something like this?


    AC Delco VALVE, HTR WATER SHUTOFF Part Number: 15-5533
    "I went to see Mr. Good Wrench, but only found Ms. Diagnoses."

    '95 Chevrolet Silverado C3500 XCab 6.5TD, 4L80E

  3. #3
    GoremanX's Avatar
    GoremanX is offline GMC Enthusiast GoremanX is on a distinguished road
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    wow, people drive 454 Suburbans in the UK? Sounds crazy...
    Frank Gore


    1998 GMC K2500HD Extended Cab, Short Bed, 6.5TD vin F, 240,000 miles
    | Rickson Truck 8-lug 19.5" wheels and tires | Onyx spray-in bedliner | Dtech PMD mounted over intake manifold | Powerslot cryo-treated front rotors | 1200 rpm stall torque converter | SS Diesel "Fuel Miser" injectors | removed vacuum pump | Turbo Master wastegate controller | Diamond Eye 4" turbo-back exhaust

    1993 GMC Suburban C2500
    | torn down and being rebuilt from scratch |

  4. #4
    8bucksagallon is offline Registered User 8bucksagallon is on a distinguished road
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    Goremax,
    We do drive em, but now you know what my screen name relates to...
    Ron, where in Kansas are you? I lived in Salina, and wichita for 6 years.
    Will take another look at the part you have pictured and come back to you. also, wipers, and screen washer not working, any ideas... Durn thing parked too long I guess! Regards Nick
    1997 K2500 GMC Suburban
    7.4 Vortec
    2005 Alloys

  5. #5
    Ron Rousseau is offline Registered User Ron Rousseau is on a distinguished road
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    Quote Originally Posted by 8bucksagallon View Post
    Goremax,
    We do drive em, but now you know what my screen name relates to...
    Ron, where in Kansas are you? I lived in Salina, and wichita for 6 years.
    Will take another look at the part you have pictured and come back to you. also, wipers, and screen washer not working, any ideas... Durn thing parked too long I guess! Regards Nick
    I live 'bout 10 miles south of Salina. I couldn't imagine paying $8.00 for a gallon of fuel and driving a 454 Burb, no wonder its been parked...
    As far as inop wipers/washer, check fuses, grounds, connections, etc..
    IIRC, there was a factory recall on the "wiper motor relay" (lil' circuit board). It would cause the wiper motor to quit unexpectedly, it may or may not be a contributing factor.
    "I went to see Mr. Good Wrench, but only found Ms. Diagnoses."

    '95 Chevrolet Silverado C3500 XCab 6.5TD, 4L80E

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