4.9 water pump
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HT4100 4.1, 4.5, 4.9 Discussion, 4.9 water pump in Cadillac Engine Technical Discussion; i am about to replace my water pump on my 4.9. me and my cousin are going to jump on ...
  1. #1
    NellMac4621 is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    Jul 2007
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    4.9 water pump

    i am about to replace my water pump on my 4.9. me and my cousin are going to jump on it. he's done it before and this is my first time doing it. do any one 1 no how long it should take if person does it.

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  3. #2
    kdcing is offline Cadillac Owners Fanatic
    Automobile(s): 1993 Eldorado, 4.9L, 200k miles
    Join Date
    Dec 2006
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    Re: 4.9 water pump

    Quote Originally Posted by NellMac4621 View Post
    do any one 1 no how long it should take if person does it.
    Your question is not worded well and is difficult to understand...it appears that you are asking how long it will take for one person to change the water pump. Is this the correct interpretation?

    On my '93 Eldorado w/ a 4.9L, it took about 2 hours to complete the job (including draining and refilling the cooling system). The job is not difficult, however, several of the bolts/nuts are difficult to access because that are very near to the subframe/cradle....just enough space for a small hand. Btw, having a 2nd person will not significantly increase the speed of the replacement as there is only enough space for 1 person to work on it at a time.

  4. #3
    noahsdad's Avatar
    noahsdad is offline Cadillac Owners Connoisseur
    Automobile(s): '87 SDV
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    Re: 4.9 water pump

    Agreed. Mine took a little longer, about 4 hours total. I ran into trouble when the head stripped on one of the Torx bolts. I had to drill it with a right angle drill and then tap the block - not fun in that tight space. A Cadillac tech told me it's not all that uncommon, so be very careful when removing the Torx bolts.

    If you want to read more about my experience (with pictures) click this link:

    http://cadquest.blogspot.com/2007/08...gust-2007.html

  5. #4
    NellMac4621 is offline Cadillac Owners Member
    Automobile(s): Cadillac
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    Re: 4.9 water pump

    thanks a lot for the help. sorry about the wording on my last post I was in a rush. it took me about 4 hours to do it and now i got my baby back

  6. #5
    Lithorian's Avatar
    Lithorian is offline Cadillac Owners Enthusiast
    Automobile(s): 1995 Deville 4.9 Liter, 1988 Camaro Iroc-Z 5.0 Liter
    Join Date
    Dec 2007
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    508

    Re: 4.9 water pump

    LOL noa u and I ahd the same problem with the exact same bolt, know what i did to it? I didnt havea right angle drill, so i cut the bastard off! and RTV'd the livin hell out of the area around it, 4000 miles and not a drop of coolant lost!

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