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Testarossa - remove thermostat housing

Discussion in 'Technical Q&A' started by lm2504me, May 21, 2006.

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  1. lm2504me

    lm2504me Formula 3
    Silver Subscribed

    Aug 26, 2004
    1,122
    Nipomo, CA
    Full Name:
    Richard
    #1 lm2504me, May 21, 2006
    Last edited by a moderator: Sep 7, 2017
    I have a 1987 USA Testarossa. I need to remove the entire thermostat housing (Circled in GREEN) to service the gasket where the lower pipe (item #39) mates with the thermostat housing. (Circled in RED)

    I have drained the coolant, removed the upper hose from the engine to the thermostat housing, removed the two bolts attaching the housing to the lower pipe transition piece (item#39), and loosened all hose clamps on the upper housing.

    What is the trick to free the thermostat housing from the lower pipe attachment point? It seems stuck.

    Thanks,
    Rich
    1987 TR USA #73703
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  2. lm2504me

    lm2504me Formula 3
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    Aug 26, 2004
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    Nipomo, CA
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    Richard
    #2 lm2504me, May 23, 2006
    All done........ Rich
     
  3. PSP

    PSP Formula Junior

    Mar 31, 2001
    603
    Lake Forest, CA USA
    Full Name:
    Patrick S. Perry
    #3 PSP, May 23, 2006
    So, what was it? Just stuck and a little persuasion broke it free?
     
  4. lm2504me

    lm2504me Formula 3
    Silver Subscribed

    Aug 26, 2004
    1,122
    Nipomo, CA
    Full Name:
    Richard
    #4 lm2504me, May 23, 2006
    Yes, the gasket was holding the thermostat housing to the lower tube. Also having the upper tubing clamps in place would not allow the thermostat housing to rotate up.

    Unbolting the upper tubing clamps and gas tank vent tubing clamps gave the room for the thermostat housing to rotate up and be removed from the upper tubing hoses.

    Rich
     

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