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Summer MODS

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Offline wildgoody

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Re: Summer MODS
« Reply #15 on: April 30, 2004, 02:26:58 PM »
Quote
Yea, I just had an extra mod for the summer, replace the oli pump gasket :) Oh welll after over 200K miles of abuse, I guess it needed a break.
Zig


Zig, I got a question for ya.

I switched to 10-40 Full Synthetic oil, then I drove to Moab and
back, I now have a low oil light on at idle when warm, the oil was
really dirty, so I changed it again, thinking the oil had got thinned
out and needed replaced, but I used regular 10-40 instead of the
Synth stuff.

Oil light is still on, now I'm wondering if the Synth stuff has caused
some problems, as this all sort of started at once. So if the oil pump
gasket is leaking, would it cause this, or would you think the oil pump
is getting weak, still the orig pump, now with 268,000 miles on it.

Engine has 23,000 miles on it since rebuild, so I don't think it's
worn bearings, but I could have increased wear from the turbo, I
didn't think it would be that, but it's a possibility so I'm not ruling
it out.

So what do you think ???

Wild
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And Chrome Don't Get Ya Home.  

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Offline TN_Tracker

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Re: Summer MODS
« Reply #16 on: April 30, 2004, 02:34:51 PM »
What brand of oil and filter?

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95XL7

Re: Summer MODS
« Reply #17 on: April 30, 2004, 02:36:08 PM »
Is the oil level actually low?
Is the motor noisey when the light is on?
Was the oil pressure sender ever replaced,plugged up or leaking?

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Offline wildgoody

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Re: Summer MODS
« Reply #18 on: April 30, 2004, 02:39:32 PM »
The Synth Oil was Schaffers, my Dad uses it in
his Semi trucks and my Bro says it's better than
Mobil 1, he did the friction test himself.

The oil I'm using after the change is Wally World
10-40, just for a quick oil change to see if the
old oil was thinned/bad

The filter is a Napa Gold (Wix)

Wild
Real Trucks Are Built, Not Bought,
And Chrome Don't Get Ya Home.  

An armed man is a citizen. An unarmed man is a subject.

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Offline wildgoody

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Re: Summer MODS
« Reply #19 on: April 30, 2004, 02:42:00 PM »
Quote
Is the oil level actually low?
Is the motor noisey when the light is on?
Was the oil pressure sender ever replaced,plugged up or leaking?


Oil is full, motor is normal sounding when light is on,
sender is stock, never replaced and not leaking
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Offline TN_Tracker

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Re: Summer MODS
« Reply #20 on: April 30, 2004, 02:58:14 PM »
Schaeffers is good if you're going for extended OCI's like big trucks but I'm still not a big fan of synthetics if you're doing 3000 mile OCI. NAPA Gold is an excellent filter. I'd try Pennzoil High Mileage 10w30 and a AC Delco PF53 Filter and see if it helps. You have no miles on the engine so I would also suspect the sending unit. Didn't you lose a turbo or something at MOAB? Maybe it got damaged during the manifold swap.

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Offline wildgoody

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Re: Summer MODS
« Reply #21 on: April 30, 2004, 04:41:13 PM »
Ohh $#!+, I never thought that the bearing from
the scattered turbo could of messed up the oil pump.

Is that what you meant ???

I should tear down the oil pump and inspect.
I didn't plan on the short change interval, I just
thought I had a problem with oil contamination
so I changed it as a precaution.

I'm thinking that all this happened from using
the Synth oil, tho I don't know how it could have,
but what do you think, I switch to the Synth then
the turbo blows and the oil PSI starts to drop at idle
:(

I think the engine bearings will be OK since they had
filtered oil, but dang, all of a sudden all this trouble   :P

Wild
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And Chrome Don't Get Ya Home.  

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Offline TN_Tracker

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Re: Summer MODS
« Reply #22 on: April 30, 2004, 11:54:12 PM »
Quote
Ohh $#!+, I never thought that the bearing from
the scattered turbo could of messed up the oil pump.

Is that what you meant ???

I should tear down the oil pump and inspect.
I didn't plan on the short change interval, I just
thought I had a problem with oil contamination
so I changed it as a precaution.

I'm thinking that all this happened from using
the Synth oil, tho I don't know how it could have,
but what do you think, I switch to the Synth then
the turbo blows and the oil PSI starts to drop at idle
:(

I think the engine bearings will be OK since they had
filtered oil, but dang, all of a sudden all this trouble   :P

Wild

It's a little hard to diagnose from all the way across the country but here goes:
  • The failed turbo could have damaged something, it depends on how you routed the oil lines.
  • I would try the simple stuff first. If you don't have an oil pressure gauge, get one and a new sending unit. (I had a Chevy Astro that showed low oil pressure, replaced the sending unit and it still had low pressure. Installed a mechanical oil pressure gauge and it turns out everything was fine. The van went another 100,000 hard miles) Don't trust the light, especially with the turbo.
  • If the gauge confirms your low pressure I would try the oil pump next.
  • If it's not the pump then I'd say the bearings are shot.


Since you said your Dad has big trucks did you think to have an oil analysis run on the old oil? It could give you some idea of whats going on without turning a wrench on the engine.
« Last Edit: May 01, 2004, 12:03:45 AM by TN_Tracker »

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Offline wildgoody

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Re: Summer MODS
« Reply #23 on: May 01, 2004, 03:05:09 AM »
I though about having the oil analyzed, didn't
do it yet but I have the oil still.

My sending unit is before the filter so it is possible
something has gotten stuck into it's workings, I'm
going to get a Mech guage and test the PSI, as soon
as I get a starter, it began acting up really bad yesterday.

Oil lines are routed from main galley to the turbo them
out of the turbo into the sump. Anything that came from
the turbo went into the sump, and could have gone thru
the oil pump too.  

I also was thinking the pressure relief valve could have
junk wedged into it, so I will clean it out also.

Thanks for the replys  :)

Wild
Real Trucks Are Built, Not Bought,
And Chrome Don't Get Ya Home.  

An armed man is a citizen. An unarmed man is a subject.

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Offline TN_Tracker

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Re: Summer MODS
« Reply #24 on: May 01, 2004, 10:10:39 AM »
Good Luck my friend, keep us posted. :)

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Offline Zukipilot

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Re: Summer MODS
« Reply #25 on: May 02, 2004, 12:28:13 AM »
Quote


Zig, I got a question for ya.

I switched to 10-40 Full Synthetic oil, then I drove to Moab and
back, I now have a low oil light on at idle when warm, the oil was
really dirty, so I changed it again, thinking the oil had got thinned
out and needed replaced, but I used regular 10-40 instead of the
Synth stuff.

Oil light is still on, now I'm wondering if the Synth stuff has caused
some problems, as this all sort of started at once. So if the oil pump
gasket is leaking, would it cause this, or would you think the oil pump
is getting weak, still the orig pump, now with 268,000 miles on it.

Engine has 23,000 miles on it since rebuild, so I don't think it's
worn bearings, but I could have increased wear from the turbo, I
didn't think it would be that, but it's a possibility so I'm not ruling
it out.

So what do you think ???

Wild

I would think that's the oil pump. I still had great oil pressure and no light coming on (unless I let it get low). And a leak like I had you KNOW something is wrong. In 4-low pulling it on the trailer to take it to the shop it left a trail >:( I have n o idea if the oil caused it. I've never been a buy brand name oil type, or change it every 3000 miles. I would not think an oil would cause a pump failure, well maybe if you used some extremely thick oil that did not need to be in there, but synthetic 10-40 I doubt it :-/
Zig
Zukipilot
'92 Liberty Overland Sidekick