Cadillac
 

Cadillac Forums | Help Us Help You | Advertise | Cadillac Parts | Cadillac News | Cadillac Classifieds

Cadillac Technical Archive | Cadillac Dealers | Cadillac Reviews | Cadillac Dealer Reviews | Cadillac Vendors

Results 1 to 6 of 6

Thread: EGR, throttle repsonse, and TB-tranny tube

  1. #1
    Join Date
    Jul 2003
    Posts
    21

    EGR, throttle repsonse, and TB-tranny tube

    1995 DeVille 4.9L

    CEL came on about a week ago, throwing code P048, for EGR system trouble. Found a website about common EGR problems, for I figure it's worth a shot.

    This morning I try to remove the EGR, but I can't get to the bolts so I decide to remove the throttle body. I got everything disconnected except for a couple tubes, and decide it's out of my ability. So I put everything back together, but the rubber hose slip-connector thing for the small metal tube from the transmission to the throttle body broke in two. One half was large enough that it could fit over both ends, though.

    I make sure everything is connected and start her up just to make sure. The idle was kinda rough, and it didn't feel like it had all its power. The most noticeable difference is throttle response...from a stop when I push on the gas, it hesitates for a split second and sounds like the engine stops completely during that time. If you push on the gas very slowly from a stop, it'll die.

    So, what did I F up this time?

    Thanks......

    Last edited by Spreng; 10-16-03 at 01:49 PM.

  2. Remove Advertisements
    CadillacForums.com
    Advertisements
     

  3. #2
    Stoneage_Caddy's Avatar
    Stoneage_Caddy is offline Cadillac Owners 10000+ Posts
    Automobile(s): 01 frontier , 89 Shelby CSX vnt
    Join Date
    May 2003
    Location
    Undisclosed location in FL
    Posts
    14,607

    Re: EGR, throttle repsonse, and TB-tranny tube

    probably a vaccum leak , it might just be from that partily broken line.... or it needed the intake manifold to throttle body gasket replaced after removing the throttle body (tore up gasket) i have the torque specs for the TB but i cant find them at the moment , might just be the bolts were never tightend down , it isnt much to get it tight tho only like 30 ft lbs or something ill go check

  4. #3
    Stoneage_Caddy's Avatar
    Stoneage_Caddy is offline Cadillac Owners 10000+ Posts
    Automobile(s): 01 frontier , 89 Shelby CSX vnt
    Join Date
    May 2003
    Location
    Undisclosed location in FL
    Posts
    14,607

    Re: EGR, throttle repsonse, and TB-tranny tube

    here they are , there in this thread :
    http://www.cadillacforums.com/forums...?threadid=2031

  5. #4
    2dfx's Avatar
    2dfx is offline Cadillac Owners Fanatic
    Automobile(s): 2003 Cadillac DeVille
    Join Date
    Jun 2003
    Location
    Ontario, Canada
    Age
    31
    Posts
    397

    Re: EGR, throttle repsonse, and TB-tranny tube

    Quote Originally Posted by Stoneage_Caddy
    here they are , there in this thread :
    http://www.cadillacforums.com/forums...?threadid=2031
    It's actually 196 inch-pounds but 14 ft.lbs will do.

    If you want torque specs for ANYTHING on the 4.9 just ask. I have them all

  6. #5
    Stoneage_Caddy's Avatar
    Stoneage_Caddy is offline Cadillac Owners 10000+ Posts
    Automobile(s): 01 frontier , 89 Shelby CSX vnt
    Join Date
    May 2003
    Location
    Undisclosed location in FL
    Posts
    14,607

    Re: EGR, throttle repsonse, and TB-tranny tube

    yah thats pretty much what katshot posted in that thread link i posted :

    The only specs I could find were for the throttle body and the intake manifold.
    TB - 14 lb/ft.
    Intake -
    Step 1 - 8 lb/ft.
    Step 2 - 12 lb/ft.
    Step 3 - Repeat step 2
    The sequence is from the center out alternating from side to side.
    I doubt there's a spec for the EGR valve. Just use your best guess. Snug but not torqued like with a 1/2" breaker bar

    __________________

  7. #6
    Join Date
    Jul 2003
    Posts
    21
    Thanks guys....I was on the brink of selling it when the stupid CEL came on...then this happened! Piss me off.......

    Come to think of it I think a chunk of the TB/manifold gasket came off. And that stupid rubber connector biatch thing.


Bookmarks

Cadillac Posting Rules

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Read about Lincoln | Buick | Kia Forte Forum