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2004-2007 Cadillac CTS-V General Discussion Discussion, Oil pressure sender #4! in Cadillac CTS-V Series Forum - 2004 - 2007; I don't know if this is related, but I've been having an issue when I get the RPMs over 3 ...
  1. #31
    James R. Brown is offline Cadillac Owners Member
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    Re: Oil pressure sender #4!

    I don't know if this is related, but I've been having an issue when I get the RPMs over 3 or accelerate "passionately". The oil pressure normally reads 129psi, but if I do either of the two above mentioned things, the indicator shows the pressure dropping to --- and I get a "Service Engine Soon" warning. Is that the same type of issue?

  2. #32
    tommy compton's Avatar
    tommy compton is offline Cadillac Owners Connoisseur
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    Re: Oil pressure sender #4!

    From what I have read, it sure sounds like it. I think I blew my pressure switch(sensor) when I blew a shift, could be coincidence, but i was shifting into third and I hit first instead (eeek). It only redlined for a split second and made the tires chirp. I'm actually surprised it let me into first, usually first will grind before letting you in at any speed above 10ish mph.

  3. #33
    ahahnu's Avatar
    ahahnu is offline Cadillac Owners Connoisseur
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    Re: Oil pressure sender #4!

    I had one replaced last week, finally. I've had my car 6 days and it is shot already. This there is a warranty or money back option available?

  4. #34
    heavymetals's Avatar
    heavymetals is offline Cadillac Owners Master
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    Re: Oil pressure sender #4!

    Easiest way to kill one is to overfill the oil (for some reason) or to romp on it when the engine is "cold", when the oil is thick.

  5. #35
    QwkRhino's Avatar
    QwkRhino is offline Cadillac Owners Member
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    Did mine today with the Maggie installed not a fun job it was stuck at 129 psi! Took most of the day to do with a few stop at the store. First I remove the wipers cowl and wiper motor to get better access then bought the sender tool and grinded one side of it off but it did not work because it was just too tight. So then I tried to use the dremel but man is that still tight to get in there. I had to use the remote extention tool that screws onto the dremal head. Started grinding with the pointed grinding stones but what I found what worked best for the job was Engraving Cutter. http://www.dremel.com/en-us/Accessor...raving+Cutters. Then bought anthother sender socket put it on a swivel and used an extension and it came right out.

  6. #36
    rand49er's Avatar
    rand49er is offline Cadillac Owners 10000+ Posts
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    Re: Oil pressure sender #4!

    Dang, do you hire out?!! I've had this issue for years and just haven't set aside an entire day to take this on. If you don't hire out, would you consider selling/renting your tool?

    You should really do a write up and find someone to put it on the FAQ, too.

    What about pics? Got any pics?
    '05 CTS-V, Maggie, Kooks, Hotchkis, Ground Control, Corsa, B&M, DSS/Hendrix, Full 3M Clear Bra, Autovation, V Headrests, CTS Console, STS-V 55w Fogs, Black Vette FRCs, Specter Werkes, Katech LS9 Clutch, SS Brake Lines, Heavymetals U-Turn Fuel Line Eliminator, Momo Combat Evo Shift Knob, Wldwhl Clear Sidemarkers, Linea Corse LC855 Wheels or OEM wheels w/'06-'07 Center Caps, plus a couple more. 472 RWHP/411 RWTQ (Mustang Dyno).

  7. #37
    QwkRhino's Avatar
    QwkRhino is offline Cadillac Owners Member
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    Re: Oil pressure sender #4!

    Here is the tool I made to remove the oil sender with a Maggie Supercharger.




  8. #38
    rand49er's Avatar
    rand49er is offline Cadillac Owners 10000+ Posts
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    Re: Oil pressure sender #4!

    Hey, QwkRhino ... tried to PM you, but it bounced back. I thought you only needed 5 posts to receive PMs, but apparently it's more than your 7.

    Shoot me an email, if you would: rhfield<at>gmail<dot>com

    Much obliged.
    '05 CTS-V, Maggie, Kooks, Hotchkis, Ground Control, Corsa, B&M, DSS/Hendrix, Full 3M Clear Bra, Autovation, V Headrests, CTS Console, STS-V 55w Fogs, Black Vette FRCs, Specter Werkes, Katech LS9 Clutch, SS Brake Lines, Heavymetals U-Turn Fuel Line Eliminator, Momo Combat Evo Shift Knob, Wldwhl Clear Sidemarkers, Linea Corse LC855 Wheels or OEM wheels w/'06-'07 Center Caps, plus a couple more. 472 RWHP/411 RWTQ (Mustang Dyno).

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