"Secondary" Fuel Pump on 2010 SRX
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Cadillac SRX Second Generation Forum - 2010+ Discussion, "Secondary" Fuel Pump on 2010 SRX in Cadillac SRX Forums; I took my SRX into the dealer today. It's been starting hard first start of the day (grinding over 30 ...
  1. #1
    LynnF is offline Cadillac Owners Member
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    Question "Secondary" Fuel Pump on 2010 SRX

    I took my SRX into the dealer today. It's been starting hard first start of the day (grinding over 30 seconds) and the "check engine light" came on on the weekend.
    I had to replace the "secondary" fuel pump.
    Just wondering if this is an anomaly or if others have had this problem.
    I have 56500 km on it.

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  3. #2
    TheCaptain's Avatar
    TheCaptain is offline Canadian SRX Mod
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    Re: "Secondary" Fuel Pump on 2010 SRX

    65100 kms here with no issues at all with the fuel system.
    When you turn your car on, does it return the favour? '14 Cadillac ATS Performance 3.6L AWD in Phantom Grey Metallic and Morello Red Interior -ARRIVED!!


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  4. #3
    redvett94 is offline Cadillac Owners Fanatic
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    Re: "Secondary" Fuel Pump on 2010 SRX

    Do you run the tank low? Low fuel will burn out the pump in the tank. I would suspect the secondary fuel pump is the pump in the tank. I believe the primary pump is quite expensive as it produces over 1800 psi for Direct Injection.

  5. #4
    300:29:1 is offline Cadillac Owners Enthusiast
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    Quote Originally Posted by redvett94
    Do you run the tank low? Low fuel will burn out the pump in the tank. I would suspect the secondary fuel pump is the pump in the tank. I believe the primary pump is quite expensive as it produces over 1800 psi for Direct Injection.
    Can someone confirm this business about running the fuel tank low? How low is low? This is 1 of those things that seems to be a subject of debate.

  6. #5
    redvett94 is offline Cadillac Owners Fanatic
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    Re: "Secondary" Fuel Pump on 2010 SRX

    The fuel pump is in the tank in fuel and its cooled and lubricated by gas. We had the same problem with Corvette ZR-1's and when the tank was low the dual pumps were junk.
    Keep the tank above 1/4 tank or you will have the same problem again.

    Quote Originally Posted by 300:29:1 View Post
    Can someone confirm this business about running the fuel tank low? How low is low? This is 1 of those things that seems to be a subject of debate.

  7. #6
    LynnF is offline Cadillac Owners Member
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    Re: "Secondary" Fuel Pump on 2010 SRX

    There are 2 fuel pumps in the SRX: 1 in the fuel tank and one in the engine. I had to replace the one in the engine.[COLOR="Silver"]

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  8. #7
    redvett94 is offline Cadillac Owners Fanatic
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    Re: "Secondary" Fuel Pump on 2010 SRX

    D.I. engines have 2 pumps the one on the engine is the high pressure pump it produces over 1500psi. I hope it was covered under warranty.
    Quote Originally Posted by LynnF View Post
    There are 2 fuel pumps in the SRX: 1 in the fuel tank and one in the engine. I had to replace the one in the engine.[COLOR="Silver"]

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  9. #8
    LynnF is offline Cadillac Owners Member
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    Re: "Secondary" Fuel Pump on 2010 SRX

    Yes. Thank goodness. That's why I wanted to know if this was a common problem.

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