Does This Sound Right?

[In Utopia]

I'm new to diesels, and have never really listened another 2 cylinder such as the one in my L175.
First 15 seconds it's idling at 475 rpm's. Next 15 seconds are at 1000 rpm.
Just installed new injectors and reset the valve lash, but again I don't know what it should sound like.

https://www.youtube.com/watch?v=ejlMhTd2hOQ

 

[North Idaho Wolfman]

I'm new to diesels, and have never really listened another 2 cylinder such as the one in my L175.
First 15 seconds it's idling at 475 rpm's. Next 15 seconds are at 1000 rpm.
Just installed new injectors and reset the valve lash, but again I don't know what it should sound like.

https://www.youtube.com/watch?v=ejlMhTd2hOQ

Doesn't sound right to me, my guess would be that it's not fully firing on one cylinder, until it runs a bit.
Considering what your describing I would say the injection pump need rebuilt.

When it's running slow is there any smoke?

 

[In Utopia]

No smoke what so ever.
Engine had been running for 15 minutes in 50 deg. weather.

The rear cylinder injector (both old and new) have acted different from the front one when bled.
Also I can see what looks like more fuel returned from the front injector back to the tank than the rear one.

 

[Billdog350]

Once the machine has warmed up did you throttle it up to max rpm? Sometimes you can get an air bubble and the higher rpm will help clear that out.

 

[North Idaho Wolfman]

No smoke what so ever.
Engine had been running for 15 minutes in 50 deg. weather.

The rear cylinder injector (both old and new) have acted different from the front one when bled.
Also I can see what looks like more fuel returned from the front injector back to the tank than the rear one.

Yep injector pump needs a rebuild!

 

[In Utopia]

Once the machine has warmed up did you throttle it up to max rpm? Sometimes you can get an air bubble and the higher rpm will help clear that out.

I didn't, I've been bleeding at about 750 RPM.

 

[In Utopia]

Yep injector pump needs a rebuild!

I noticed a small amount of fuel around the top of the pump, cranked down on it, dried it off and put it to work. Moved several loads of caliche up a very steep driveway and it did OK, no real loss of power.
I'm pulling quite a load, FEL full of wet caliche, around 600lbs of ballast weight and monster rear tires that are water filled. Don't know how much effect this has on performance.


If it persists, any suggestions as where to have it rebuilt, or am I just being paranoid ?

 

[Russell King]

It sound pretty much what my 2 cyl L185 sounds like (from memory - I haven't run it in a couple of weeks)

 

[North Idaho Wolfman]

Those are some killer tires you have on it!
It's really not going to hurt anything doing that.
I would run some fuel treatment through it first and see if that will help with the issue.
Then when it comes time to rebuild it, either find someone local or Oregon fuel injection, http://oregonfuelinjection.com/

 

[clay45]

I don't know if it sounds "right" but I know it sounds good to me. Might be some sort of timing retard/advance to allow the engine to warm up a second before getting busy.

 

[In Utopia]

Since it seems to have good power and I'm not cash laden I think I'll either run until it really acts up or run to failure and then deal with it.
Until then I'll just keep keep the whip on it and run it 200 rpm below the big white line.