Been there a few times. The one thing about those old mechanical engines, there was an adjustment and measurement for everything. Having a good engine guy was important. Although your working with an N-14 which is electronic. Out of the big three, they left the most things to adjustment. I had to find a few good engine guys to get my first one done. And moreover I had to take my time and make sure it right when I put the final torque on things.
Make sure that roller is smooth and tight and it should be OK. It won’t hurt anything more than your feelings and maybe another set of push tubes if you should replace the cam/followers right now and decide not to.
We’re mechanics we don’t get to have feelings!!! Lol and when we do a job a second time it’s #### sure going to last and it doesn’t matter how tight the little old mom and Pops wallet is. Try to save them a dime now, never know, the old Iron might run a long time like that.
Now would be the time to pull the rest of the push tubes and make sure they aren’t also bent or cracked. As long as you’ve been changing this, they can’t scoff much Omer another couple sets of gaskets.
N14 Top End Knock
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by SpeedyGonzalez, Sep 3, 2019.
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Bad injector my guess.
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When I had my BC 1 rebuilt back in the 90’s, when the mechanic(working on his own time off), before he put the push tubes back in, he tap them to see if he could hear if they were solid or if they had filled with oil. Then he would roll them back and forth on a straight flat table to make sure they weren’t bent.
Working2party Thanks this. -
Come to find out in my haste to get back on the road I didn't set the Jake's, they were too tight and always actuated. I broke an injector connector(surprisingly got shocked too) and developed a miss on cylinder 3, but other than that all seemed to be good. Got a set of Duetsch connectors on order to fix the plug.
Completely unrelated side note, has anyone here tried making their own injector harness?
The materials are pretty crappy, the wire isn't exactly what I'd expect to see in a high vibration high heat application, the duetsch connectors are pretty nice though, beats the hell out of weatherpaks. Switching to a high strand silicone insulated wire would last much longer, especially if you got the ETFE coated variety, could probably be done for a couple hundred bucks instead if the outrageous 900ish for the celect plus harness. -
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IMO Deutsche is a superior connector to Weatherpak. I've been told that Weatherpak are better in circuits that carry higher current though.
pushbroom Thanks this. -
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