Thread: Need a bit of advice

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  1. #1 Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    So me and my friend changed my water pump today because the car has been leaking coolant and all the coolant elbows are still good. After replacing it and putting everything back together for some reason the electronic boost gauge in the driver info part don't work anymore. Anybody know why it could of went out?
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  2. #2 Re: Need a bit of advice 
    GXP Level Member
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    What do you mean it doesn't work? Is it not there or just doesn't move. My guess is that you knocked the vacuum lune loose under the snout of the supercharger if it's just not moving.

    Jeff
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  3. #3 Re: Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    It still pops up but it doesn't show how much boost. Something went wrong because now the car is misfiring
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  4. #4 Re: Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    I'll have to take another look tomorrow.. I'm a noob at these cars I just got my gtp so I'll catch on eventually lol
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  5. #5 Re: Need a bit of advice 
    GrandPrix Junkie
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    Did you remove any of the plug wires when you changed the water pump? If so, check your firing order. These cars will still run even if 2 or more cylinders are wired wrong and often only show a misfire when you are driving it. I reversed 2 of mine once and it idled just fine with no CEL, then I drove it... Misfire city.
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  6. #6 Re: Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    I appreciate the help. I'll take a better look when I get off work
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  7. #7 Re: Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    It ended up just being the vacuum line under the super charger. Car is running good now thanks for the help!
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  8. #8 Re: Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    What kind of oil would you guys recommend to use on these cars?
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  9. #9 Re: Need a bit of advice 
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    Like motor oil? Motor oil is motor oil. Supercharger oil? Pick up some at the stealership.

    Jeff
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  10. #10 Re: Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    I was talking about engine oil but u went with a synthetic blend
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  11. #11 Re: Need a bit of advice 
    SE Level Member Efrain55's Avatar
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    I not u
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  12. #12 Re: Need a bit of advice 
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    I am a little more old school so I have never run a synthetic unless called for by the manufacturer. I also don't change my oil every 3K either.

    Jeff

    Edit: I have my reasons, mainly because I have watched cheap brands bottled at the same time as higher end brands without changing the actual product (just the bottle), but I have never had an engine related failure and have pulled down engines for performance heads, cams and things and have had engines with more than 150K with good crosshatching.
    Last edited by J57ltr; 05-19-2015 at 02:41 PM.
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  13. #13 Re: Need a bit of advice 
    GTP Level Member 99GT2dr's Avatar
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    I run Mobil super 5k in everything I have except the G8, that gets M1 extended performance.
    '11 Suburban LTZ
    '99 SSEi
    '99 GT
    '09 G8 GT
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