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12 valve cummins dowel pin issue? Dodgeman I need your advice?

My friend's 98 Cummins has over 200,000 miles on it, and he just moved onto a very rough dirt road. We never thought about it, but I read an article in my diesel magazine about the dowel pin causing the destruction of many a Cummins. Now he's freakin out because his truck fits the bill and his road is almost always wash-boardy and rutted out. We've inspected the crank housing and there's no cracks and there's nothing in the oil pan, so we're assuming the little bugger's still in there. He got to looking into the problem and now he's paranoid that each bump is gonna knock the thing loose. I know what can happen if the thing hits the crank gear at 2000 rpm, and he especially doesn't want to see his beloved Cummins sent to the scrap heap. He's considering buying the repair kit, and I was wondering how much work this is gonna be, I know the whole front of the truck and the engine have to come off, would it just be easier to take it in? Thanks for the help!

3 Answers

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  • 1 decade ago
    Favorite Answer

    its not a big deal to put in it and the kit only cost around 118.00 bucks, there's a good chance his may never have any problems, but i replaced mine on my truck just in case,if you take it in to have it done its going to run well over 600 for a shop to do it,so if you guys think you can install id do it and save the 600 bucks,its more time consuming than anything else,its not labor intensive because everything is easy to get to,and the kit comes with a good clear set of instructions to do it with,it took me about 2 days of taking my time with mine to install it,every time id get started with a good pace on it someone would come in the shop and want to talk for an hour so this made the job go a lot slower,get you a Haynes repair manual because it has the torque specs in it that you,ll need,it is better to go ahead and replace it than wait for it to come out,good luck on it.

    Source(s): been a certified mechanic for 38 yrs now.
  • Anonymous
    5 years ago

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  • 1 decade ago

    One of two things; Either it slips down between the gears, and into the pan............... Or it gets really, really expensive. If that thing falls down, there are five gears it could chew up. He should get the money together, and get it fixed before he has to.

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