distributor wrench
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HT4100 4.1, 4.5, 4.9 Discussion, distributor wrench in Cadillac Engine Technical Discussion; anyone have a hard time taking the distributor a loose? can touch it and see it but just cant get ...
  1. #1
    BRICKS is offline Cadillac Owners Fanatic
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    distributor wrench

    anyone have a hard time taking the distributor a loose? can touch it and see it but just cant get the wrench on it. its the 9/16 from what the book said but someone tried to tell me its a 15mm bolt. anyone with any info would be helpful. its 4.1 engine. cap is off but the bolt just wont come easy.

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  3. #2
    steelybill is offline Cadillac Owners Enthusiast
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    Re: distributor wrench

    I've had my distributor out a few times, (and the engine too) and I just use an end wrench, but thought about buying a cheapie end wrench and heating and bending it to work better. I have distributor wrenches, but the way they are bent wont fit in there like on other engines.
    No quick solution here.

  4. #3
    Dave S Texas's Avatar
    Dave S Texas is offline Cadillac Owners Enthusiast
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    Re: distributor wrench

    During the 11yrs I've had my DeVille, I've had few occasions when I needed to loosen the distributor hold-down bolt. Each was a time-consuming nightmare PITA occasion. Last Winter when I changed engines and had to deal with the distributor again I decided I'm too old to fool with this without the proper tool. I considered bending an old wrench, but started calling around town to see what was available. All were overpriced, so I searched online. Ended up buying a 13mm/15mm distributor wrench from Summit Racing for way less than buying one locally even paying the USPS charge for mailing. It was a smart-spend for me. No more PITA time-consuming job! And using the correct tool makes it a one-hand job when setting the Initial Timing. Of course I'll prolly never have to use it again, but..........

  5. #4
    Dave S Texas's Avatar
    Dave S Texas is offline Cadillac Owners Enthusiast
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    Re: distributor wrench

    I just checked Summit: WRM 1186 $4.95

  6. #5
    BRICKS is offline Cadillac Owners Fanatic
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    Re: distributor wrench

    so it is a 15mm or no?

  7. #6
    steelybill is offline Cadillac Owners Enthusiast
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    Re: distributor wrench

    Thanks for that Dave. I'll get one of those too.
    Bricks; the wrench has both sizes on it, 13 and 15 MM. Just get on Summit's sit and search distributor wrenches, and it will come up. You can make things easier for five bucks

  8. #7
    Dave S Texas's Avatar
    Dave S Texas is offline Cadillac Owners Enthusiast
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    Re: distributor wrench

    When someone posts here, they are internet capable. I posted the sizes, the place to buy and the price. Then we have to tell them how to do a basic search? Amazing. Bill you'd better hurry buying. I don't believe they have a large number for sale.

  9. #8
    tallpat's Avatar
    tallpat is offline Cadillac Owners Fanatic
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    Smile Re: distributor wrench

    My 1986 4.1 HT4100 has a 15mm hold down bolt you will need a 90 degree angle wrench I picked a nice one for around $10. its the only easy way to do it.

  10. #9
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: distributor wrench

    Do a search for distributor wrench. Once you get one it's easy.

  11. #10
    steelybill is offline Cadillac Owners Enthusiast
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  12. #11
    BRICKS is offline Cadillac Owners Fanatic
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    Re: distributor wrench

    ended up using a midget size 15mm wrench. the reason it was a debat is because the manual says 1 thing but a co-worker heard diff. timing is fine now just workin on fixin this code #30.

  13. #12
    cogsracing is offline Cadillac Owners Member
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    Re: distributor wrench

    If you take the airbox off for the air filter you can reach right in and use an open/closed end wrench. There are only 3-4 bolts you have to remove to remove the air filter box. No special wrench required at all. With the airbox removed you also have much more room to remove/replace distributor.

  14. #13
    BRICKS is offline Cadillac Owners Fanatic
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    Re: distributor wrench

    only showing code 30 so ima mess around with the tps a little might just replace it with a new one this time.

  15. #14
    FineRide is offline Cadillac Owners Member
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    Re: distributor wrench

    Snap-On makes a special wrench exclusively for this motor- $40.00

  16. #15
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    Sevillian273 is offline Cadillac Owners Connoisseur
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    Re: distributor wrench

    Snap-On makes an exclusive something for everything - and always with an exclusive price tag!

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