Re: Clogged pick-up or oil pump failing?
[Re: Adam71Charger]
#2303052
05/11/17 09:56 PM
05/11/17 09:56 PM
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Joined: May 2003
Posts: 96,664 On The Boat, On The Lake, Wa. ...
amxautox
Still Retired. Still Posting on Moparts. A Lot.
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Still Retired. Still Posting on Moparts. A Lot.
Joined: May 2003
Posts: 96,664
On The Boat, On The Lake, Wa. ...
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I'd probably try a new gauge first.
Tom
"Everyone should believe in something; I believe I'll go fishing."
-Henry David Thoreau
Men and fish are alike. They both get into trouble when they open their mouths
author unknown
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Re: Clogged pick-up or oil pump failing?
[Re: Adam71Charger]
#2303071
05/11/17 10:18 PM
05/11/17 10:18 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Lifters clacking support no oil pressure, doubt it's the gauge.
Doesn't really matter if it's a clogged pick up or the oil pump. Your gonna have to drop the pan.
If it's is a clogged pick, question is what clogged it? Hopefully it's not the nylon teeth of a silent timing chain setup. You mention it's a truck (no real details there BTW) dunno if trucks got that setup or not, but who knows what someone might have put in there.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Clogged pick-up or oil pump failing?
[Re: Supercuda]
#2303076
05/11/17 10:24 PM
05/11/17 10:24 PM
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Joined: May 2003
Posts: 96,664 On The Boat, On The Lake, Wa. ...
amxautox
Still Retired. Still Posting on Moparts. A Lot.
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Still Retired. Still Posting on Moparts. A Lot.
Joined: May 2003
Posts: 96,664
On The Boat, On The Lake, Wa. ...
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He said 'quiet tap', lifter rattle isn't quiet. And how old is the gauge?
Tom
"Everyone should believe in something; I believe I'll go fishing."
-Henry David Thoreau
Men and fish are alike. They both get into trouble when they open their mouths
author unknown
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Re: Clogged pick-up or oil pump failing?
[Re: amxautox]
#2303077
05/11/17 10:25 PM
05/11/17 10:25 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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with the tapping coinciding with the zero gauge reading (if I am reading that right), it definitely has an actual psi issue. I'd replace the filter (no fram) first & if no relief (you might get lucky) but I'm thinking the screen is plugged & unfortunately you know what that means (pull pan).
live every 24 hour block of time like it's your last day on earth
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Re: Clogged pick-up or oil pump failing?
[Re: Adam71Charger]
#2303123
05/11/17 11:46 PM
05/11/17 11:46 PM
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Joined: Jun 2013
Posts: 1,521 Tacoma, Washington USA
Adam71Charger
OP
pro stock
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OP
pro stock
Joined: Jun 2013
Posts: 1,521
Tacoma, Washington USA
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Sorry Supercuda I was hands free speak-to-text'ing this thread over my phone while driving and was paying more attention to the road.
Its a 1980 d100 with a 318, manual transmission. Just bought it a couple weeks ago. It was nice enough, had some nice parts in it, and it was dirt cheap, no issues at time of purchase.
It has a 2 barrel intake, a small holley 2 barrel carb (havent even looked at size), MSD 6A, cheap headers, full single exhaust with muffler, low pressure aftermarket out of tank fuel pump. The PO said the engine use to have aluminum heads and a big cam, but that cam got flattened and destroyed so he removed the heads and cam and put the stock iron heads back on and a new cam slightly bigger than stock. He also said the cylinders looked good as well. He changed the oil and filter but didnt remove the pan. I didnt nit pick and grill him for more detailed info, as he was selling me the truck for $700 and it had over $1000 in ignition, carb, headers and exhaust. Even if the engine didnt run it still wouldve been a good deal.
It has a jacked up throttle cable but other than that it has not given me any issues. The oil pressure problem started earlier today. Although it will drop randomly, I noticed it will do it if I come to a hard stop. Sometimes when I stop I'll just watch it gradually drop to about 10lbs, then slowly to zero. Thats what made me think there's crud in the pan and its getting sucked up and clogging the pickup tube, and when I shut the engine off and shake the truck, it disturbs the clog and things go back to normal until it clogs again. It could be debris from the destroyed camshaft as well (if that even happened).
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Re: Clogged pick-up or oil pump failing?
[Re: Adam71Charger]
#2303138
05/12/17 12:15 AM
05/12/17 12:15 AM
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Joined: Jan 2003
Posts: 15,424 Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,424
Omaha Ne
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Could be a few things, IE: Junk oil filter, or sticking bypass valve on the pump itself. I would suggest a new pump, oil and filter if you're trying to "SAVE" it. Keep rolling the dice and you'll get all of those with a replacement motor,
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Re: Clogged pick-up or oil pump failing?
[Re: Adam71Charger]
#2303182
05/12/17 01:28 AM
05/12/17 01:28 AM
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Joined: Jan 2016
Posts: 45 Illinois
SIX225
member
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member
Joined: Jan 2016
Posts: 45
Illinois
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My Durango would occasionally read zero at idle. Didn't think much of it as I didn't hear any ticking, etc. It's got a lot of miles on in, and I don't change the oil like I should. Assumed it was just the sender. At some point I finally changed the oil on it and a few months latter, I realize the gauge hasn't acted up in a while. Guessing I had a bad filter. That was probably a year or two ago, and now I've got 300K on it. For what it's worth, I think it was a Puraltor filter on it.
Last edited by SIX225; 05/12/17 01:30 AM.
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Re: Clogged pick-up or oil pump failing?
[Re: SIX225]
#2303207
05/12/17 02:51 AM
05/12/17 02:51 AM
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Joined: Jun 2013
Posts: 1,521 Tacoma, Washington USA
Adam71Charger
OP
pro stock
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OP
pro stock
Joined: Jun 2013
Posts: 1,521
Tacoma, Washington USA
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My Durango would occasionally read zero at idle. Didn't think much of it as I didn't hear any ticking, etc. It's got a lot of miles on in, and I don't change the oil like I should. Assumed it was just the sender. At some point I finally changed the oil on it and a few months latter, I realize the gauge hasn't acted up in a while. Guessing I had a bad filter. That was probably a year or two ago, and now I've got 300K on it. For what it's worth, I think it was a Puraltor filter on it. This oil gauge is not faulty. When the gauge gets down to zero I literally can watch the motor oil disappear from the small diameter clear tube that brings it to the gauge. And after about 30-60 seconds the engine starts making a tapping sound that changes with engine speed. So Im going to be very surprised if I don't find a bunch of crap in the pan and/or on the face of the pickup tube
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Re: Clogged pick-up or oil pump failing?
[Re: SIX225]
#2303244
05/12/17 09:45 AM
05/12/17 09:45 AM
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Joined: Jun 2013
Posts: 1,521 Tacoma, Washington USA
Adam71Charger
OP
pro stock
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OP
pro stock
Joined: Jun 2013
Posts: 1,521
Tacoma, Washington USA
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I was saying that I thought I had a bad sender, only to find out it WAS the oil filter like others suggested. Ok, that would be nice if that was my problem, then just an oil and filter change would be necessary. What did your filter look like when you removed it?
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Re: Clogged pick-up or oil pump failing?
[Re: Adam71Charger]
#2303256
05/12/17 10:09 AM
05/12/17 10:09 AM
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Joined: Dec 2016
Posts: 381 Ottawa, Ontario
L.R Helbling
enthusiast
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enthusiast
Joined: Dec 2016
Posts: 381
Ottawa, Ontario
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I was saying that I thought I had a bad sender, only to find out it WAS the oil filter like others suggested. Ok, that would be nice if that was my problem, then just an oil and filter change would be necessary. What did your filter look like when you removed it? I'd start with these suggestions first. If you see evidence of contamination, I'd consider flushing out the system with a product and then fresh oil and quality filter to begin. If you don`t know the quality and grade of the oil that was put in there before you bought the truck, I`s suspect it starting now.
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Re: Clogged pick-up or oil pump failing?
[Re: fastmark]
#2303286
05/12/17 11:55 AM
05/12/17 11:55 AM
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Joined: Jan 2003
Posts: 4,283 Florida
blewbyu
master
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master
Joined: Jan 2003
Posts: 4,283
Florida
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I bet the valve seals got hard and cracked into pieces and fell down into oil pan and clogged the pick up screen. How do I know this? This will relate to no oil pressure. I seen it several times over the years.
Last edited by blewbyu; 05/12/17 11:57 AM.
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