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Thread: 1995 Deville EGR problems ?

  1. #1
    mrs.ramos is offline Cadillac Owners Member
    Automobile(s): 1995 Cadillac Deville
    Join Date
    Jun 2010
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    1995 Deville EGR problems ?

    Good afternoon! I purchased my great grandmother's 1995 Cadillac Deville beginning of 2009. She bought it new in 95 and when she sold it to me she had put 36k miles on it, never drove it! But she always put regular gas in her when it should have been premium. In the short 16 months I have owned it Ive put 30k miles on it. Ive had to replace (not personally) the starter, hub bearing, ignition cyclinder, radiator, water pump, a/c compressor and got her a tune up...its a great car for the money I spent and Im def. queen of the road while driving her but the spark knock is frickin terrible (tune up helped at first but came back and seems to be getting worse). Ive put off replacing the EGR valve up until now and have recently learned that I shouldnt replace it I should just clean it...can someone tell how to go about doing this myself instead of having to pay someone to do it...I consider myself a smart girl but will definitely need the process to be broken down barney style...Thanx in advance!!


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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
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    Re: How To Clean The EGR Valve

    mrs.ramos, Post this (or ask a Moderator to move it) up into Engines, 4.9 - there are quite a few owners up there who have mid-90's engines and do a lot of maintenance on them.

    Sorry I couldn't be of more help.
    Last edited by Submariner409; 02-20-16 at 04:50 PM.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Woodstock Ill.
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    Re: How To Clean The EGR Valve

    I am unable to move one post in the tread. The '95 has a 4.9. It would be better posted there.

  5. #4
    mrs.ramos is offline Cadillac Owners Member
    Automobile(s): 1995 Cadillac Deville
    Join Date
    Jun 2010
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    2

    Re: How To Clean The EGR Valve

    Thanks Submariner409,(1995 base 4.9L-1 year before Northstars came out) I spoke with a mechanic and he told me to replace the PCV valve first and since thats super easy Im going to try that first. I also located the EGR valve but hopefully I won't have to mess with it.
    Last edited by Submariner409; 02-20-16 at 04:51 PM.


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