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Old 11-28-2021, 08:28 PM   #11
Foul_Mouth
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Id confirm with mechanical gauge. I have a vdo electric gauge and it reads off from time to time.
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Old 11-30-2021, 03:00 AM   #12
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Originally Posted by cadillacdude1975 View Post
It canít hurtÖ. It may confirm what you already think.
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Originally Posted by Foul_Mouth View Post
Id confirm with mechanical gauge. I have a vdo electric gauge and it reads off from time to time.
Okay will do.

In two days, I'm dropping it off at the machine shop as well. I explained to them the symptoms. The engine is warrantied, but I'm responsible to pull it (or pay for it to be pulled) since that's how I brought it in originally.


I'll update the new findings.
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Old 01-05-2022, 01:46 AM   #13
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Update:

Truck is back in my possession and running great!

Machine shop:
The crank shims wore out to nearly nothing and it ruined my crank. It had to get replaced. He said he believes the transmission was pushing against it.
Also suspects oil pressure loss, but we both couldn't figure that one out.
Because the crank was so worn and screwed, oil pressure wasn't holding.

Did a 120mi trip and it ran flawless. My clutch pedal also feels better than I previously remember too. It's not so stiff and the engagement point isn't sooo low to the floor anymore. Maybe this ties somewhere somehow in his suspicion of the trans pushing against the crank? Thoughts?
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Old 01-05-2022, 02:24 AM   #14
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Originally Posted by ak- View Post
Maybe this ties somewhere somehow in his suspicion of the trans pushing against the crank? Thoughts?
I wonder... when the 1st rebuild happened, did they not pull the crank and inspect? At least gauge it and see where the wear is...


But, I digress... glad you got it back and running.
Hope others have more ideas on the cause...


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What he is saying is the aerodynamics of a D21 is a brick in the wind.
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Old 01-06-2022, 04:28 AM   #15
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Quote:
Originally Posted by 89'HBV6 View Post
I wonder... when the 1st rebuild happened, did they not pull the crank and inspect? At least gauge it and see where the wear is...


But, I digress... glad you got it back and running.
Hope others have more ideas on the cause...


I asked them on 3 separate occasions if there was any clearance issues on the crank/bearings, but he kept saying no. On the first rebuild, they mentioned sending the crank out to get worked on. That's all I can remember. I wish to find out too what could of led to this.

Thank you!
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