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I haven't checked the thread in a while. This truck has become one of those things that I dread working on. I've never pulled the cover on a 6.5 until now but comparing to other engines gas and diesel I wasn't concerned too much with the slop that it did have but if the timing cover comes off...

no I didn't put a chain in it I figured the amount of slop it had was acceptable but now that I watch the video you posted above it makes me reconsider. I assume any slop is going to affect the injection pump and a little slop can come out to be a large issue with timing?

Took the truck to the shop to have it timed again and was told that it still cuts off at 170°. Apparently this guy is the best around here for 6.5s and he still seems to I think that it is a mechanical issue somewhere. At this point I don't know if there's anything else to check.

I can take a video but it doesn't feel horrible. I'm not sure how much slop these chains can have

I noticed that I needed to time both sets and upon observing the pictures more it appears somebody has been in here before. Since I don't necessarily see anything damaged I am going to time everything and reassemble the pump and front cover to see what it does.

Howdy y'all long time no speak. So I finally found motivation to tear apart the truck. I was told to pull the cover and check the cam for a sheared key. I see nothing wrong with the cam so yet again I'm stuck. Unfortunately I paid no attention to the timing marks on the injection pump and the...

Yes. Won't start with either unplugged. AC Delco CPS

So I got a call from pure Diesel about my truck. They have checked everything and now want to pull the timing covers to check the timing and check the key on the cam gear, I told them not to because I'm capable of doing that work. I believe they said the tdc offset value keeps jumping around...

Yeah this truck is becoming a pain. Id love that but I'm invested already into this DS4

well I just spoke with them and they said the pump is timed correctly but the computer thinks it is not timed correctly. The TDC offset value keeps jumping around and changing he claimed. With a labor rate of $110 an hour it's hard to tell him to keep going but I said throw another 3 hours at it...

Well currently I have the truck at pure diesel getting worked on. I'm wondering if my snap-on scanner is showing me different results while timing the pump. They have a GM tech 2 and a few guys who are old school and have been working on these things for years hopefully they get somewhere on it.

Would that really cause the pump to get hot?

Currently in the bed. I didn't think about that

When it starts to run rough it will surge and cut off not much smoke.

Here is the link to a video of it running while it is cold. I know the timing is not correct I have a TDC offset code currently. Unfortunately I don't have access to my scanner at the moment so I'm unable to verify where it is set at.

The more I read the more I think I have done something wrong or I missed something. So I'm going to explain what it did. I installed the pump with the shut-off solenoid up and down. I did the Koko procedure and commanded the truck to do a relearn. At first my tdc offset was -1.94° so I advanced...

Today the truck ran to 182 °f ect with the lowest rpm being 692. Once we gave it throttle and let off it died. Tdc offset is at -0.25. Actual timing is around 4° while running at 1000rpm. How far should I advance or retard it? As for a running video would you want it recorded when the truck is...

Bought a 1995 parts truck and used the harness out of it and I had the same problem. Would it make sense or is it even possible to swap the complete harness (PCM harness, grounds, fuse box, ECT) and PCM from the 1995 to my 1998? I'm not sure if it makes sense but I have the parts on hand. I have...

Here are the links to the videos I took while cranking after stalling. I'm not sure if you would classify this as trying to start but this is what it does.