Husker6.5
135' diagonal 16:9HD, 25KW sound!
That very subject is covered in the 4 volume GM Factory Service Manual for the GMT 400's.You learned me something new.
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oil pressure
- Thread starter valyidol
- Start date
valyidol
Active Member
Maybe is this a late injection?
Will L.
Well-Known Member
It is hard to hear exactly like we would in real life. But I think I am hearing noise in the valve train.
Are the lifters holding their pressure? Is there any freeplay in the rocker arms?
You need to put something on to test the timing to verify.
Are the lifters holding their pressure? Is there any freeplay in the rocker arms?
You need to put something on to test the timing to verify.
valyidol
Active Member
Hi Will! I did not understand the last sentence. The oil pressure is normal. I did not see the freeplay of the valves
Will L.
Well-Known Member
Check injection timing.
Check compression.
Check compression.
valyidol
Active Member
Today I adjusted the timing of the injection. I used a stroboscope for a diesel engine. Now the diesel is a little smoke at the start. I think that one glow does not work. Thank you everybody!
ak diesel driver
6.5 driver
Wasn't this a DS 4 truck?
valyidol
Active Member
ak diesel driver
6.5 driver
So you didn't do TDCO?
valyidol
Active Member
I'm ashamed, but I did not understand how to do it. Now diesel works and I can go to see a friend who knows how to do it.
ak diesel driver
6.5 driver
So how did you adjust it? Just by moving pump?
valyidol
Active Member
Yes
I know this is not ideal but I need to get this truck moving
ak diesel driver
6.5 driver
be interesting to see where it's at when you finally do a TDCO
valyidol
Active Member
I'll tell you when I'll do it.
Only this is a little later. Exploded the oil cooling line.
valyidol
Active Member
Today the diesel litle smoked and shook again. I disconnected the connector from the optosensor and the smoke disappeared and the diesel working good. After I connected it and diesel smoke again. Tomorrow I'll replacement the optosensor and camshaftsensor. Oil pressure is OK.
Last edited:
ak diesel driver
6.5 driver
I would do the TDCO first
valyidol
Active Member
Maybe you are right
valyidol
Active Member
I replaced the optical sensor. Now the diesel is working perfect!