EGR valve location

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Northstar Engines and System Technical Discussion Discussion, EGR valve location in Cadillac Engine Discussion; where is the egr valve on a 95 STS is it hard to remove and clean?????...
  1. #1
    first sts is offline Cadillac Owners Member
    Join Date
    Nov 2003

    QuestionEGR valve location

    where is the egr valve on a 95 STS is it hard to remove and clean?????

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  3. #2
    Eldyfig's Avatar
    Eldyfig is offline Cadillac Owners Connoisseur
    Automobile(s): 13 Challenger RT, 11 CTS Coupe Premium, 94 Eldorado (RIP)
    Join Date
    Jan 2003
    Folkston, GA

    Re: EGR valve location

    Looking at the engine from the driver's side, the egr valve is to the right of the throttle body. There is an electrical connection going into the top of it. Remove the connection before removing the egr valve.

    Holding egr valve upright at all times, spray some carb cleaner on valve stem and around the small ports. Use something small to clean the gunk out. Be very careful not to let the cleaner get to the windings of the valve. Make sure you hold valve upright.

  4. #3
    davesdeville's Avatar
    davesdeville is offline Banned
    Automobile(s): 1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII
    Join Date
    Aug 2003
    Albuquerque, NM

    Re: EGR valve location

    If you have the stainless steel fuel rail, there's a fuel line bracket that attaches to the top of one of the EGR valves bolts. Meaning you have to either remove the fuel rail entirely (not that hard but it does require draining pressure and disconnecting the rail from the fuel line which requires a special tool) or cut through the bracket. The bracket is probably there for some reason, but I chose cutting through it - not the best idea since it's 1/8" thick sheet steel.

    I got a used but working EGR valve off eBay for around $45 shipped which is 1/3 the cost of new. Installed it tonight (no more P036 thank God) but tore the old gasket so I'll have to redo it tomorrow when I get a new gasket since it leaks. And since one of the bolts decided to dive somewhere that's impossible to find again... I'll snap a couple pics when I redo it tomorrow after I go to the stealership for the gasket and bolt...

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