Peter JPeter JUser on corvette - wrooom!!!
Date: 2013-8-11

Peter J Created: Apr 2013
Topic: 1
Replies: 2
Corvettes: 1

Overheating engine

Hey i have a problem with my c5 z06. When I'm driving on the freeway at 180 km/h and faster the engine is overheating, but when I'm driving in city and slower than the 180 the engine temp is normal. I have removed the front spoiler from the car because I don't like it, but I don't think that is the problem?? Can anyone help?? Best regards Peter

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Replies to: Overheating engine

  • MB-83 *Admin* Created: Apr 2013
    Topics: 27
    Replies: 77
    Corvettes: 1
    Photo albums: 6
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    4 years ago

    Have you checked your coolant fluid, how old is the oil and check your water pump?

    MB

  • Peter J Created: Apr 2013
    Topic: 1
    Replies: 2
    Corvettes: 1
    4 years ago

    The coolant fluid is ok and the Oil is almost new. If it is the water pump wouldnt it overheat all the time??

  • Don P Created: Sep 2013
    Reply: 1
    Corvettes: 1
    Videos: 1
    4 years ago

    Put the front spoiler back on and see if overheating goes away.

  • Marty R Created: Aug 2013
    Replies: 3
    Corvettes: 1
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    4 years ago

    I don't know anything about C5's but if you take the front spoiler off of my C3 then the engine will overheat - I'd try reinstalling also ... need that fresh air it scoops and directs up to the engine

  • Marty R Created: Aug 2013
    Replies: 3
    Corvettes: 1
    Videos: 1
    4 years ago

    180 on the highway?

  • MB-83 *Admin* Created: Apr 2013
    Topics: 27
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    4 years ago

    That is 111 mph

  • Peter J Created: Apr 2013
    Topic: 1
    Replies: 2
    Corvettes: 1
    4 years ago

    Thanks for your reply:) I've reinstalled the spoiler and that did the work:)

  • Dave S Created: Sep 2013
    Reply: 1
    4 years ago

    im a corvette mechanic , u need to berp the system or if dat dont work it could be the thermastst i work at jb corvettes carrollton texas 903 328 7682

  • bad66cp Created: Sep 2013
    Replies: 4
    Corvettes: 1
    Videos: 6
    4 years ago

    Yeah, my wife's 71 likes to overheat on the highway doing over 65, but stays cool in city traffic, which indicates the fan is doing it's job. We went to the GM proving grounds in Yuma a few months ago from Tucson and I had to slow down for her in my '66. Of course I built my '66 motor and it never gets over 160 doing 120 on the fwy but gets a little over that in city traffic. C3's are notorious for overheating on the hwy due to the air flow change in direction leading into the radiator. You have to have good seals between the radiator and frame and frame and hood, otherwise air will flow right over it and not go through it. You actually have to develop air pressure at the entrance of the radiator to force it through or it will get real hot. Her car stabalizes at about 240 deg at 75 mph with good seals, which is a little too hot for my blood so I'm going to put in a good oil cooler to bring that down just so she can keep up with me next time we're on the road.

Reply to: Overheating engine




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