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Worn main bearings from sitting #4502473
08/30/17 04:01 PM
08/30/17 04:01 PM
Joined: Apr 2017
Posts: 101
Michigan
Building3 Offline OP
Building3  Offline OP
Joined: Apr 2017
Posts: 101
Michigan
I just had my engine pulled because of some harsh noises I had been hearing. The engine builder said that the main bearings were worn and it looked like they were worn because of too many dry start conditions. This is an extra car not used too much. It is started and driven infrequently. He said everything else was perfect in the engine so there was no sense in a total rebuild, just replace the main bearings. However he said unless I used it more often, the same thing would happen. So for a car that sits a long period of time, perhaps several months at a time, any advice as to oil, especially would a 0w or 5w be better than a 15w or 20w? or the opposite? I don't have to worry about cold weather. The car will never start in below 40 degree temperatures. synthetic or conventional?

Re: Worn main bearings from sitting [Re: Building3] #4502476
08/30/17 04:06 PM
08/30/17 04:06 PM
Joined: Oct 2014
Posts: 12,036
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,036
Idaho
Eventually the crankshaft settles on to the main caps. The lower crank bearings are the highest wear parts. same with the con rod bearings.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Worn main bearings from sitting [Re: CT8] #4502494
08/30/17 04:24 PM
08/30/17 04:24 PM
Joined: Apr 2017
Posts: 101
Michigan
Building3 Offline OP
Building3  Offline OP
Joined: Apr 2017
Posts: 101
Michigan
Yes, those are the parts they will be replacing. Now I need to prevent it from happening again. Is there an oil on the market that will help in my situation?

Re: Worn main bearings from sitting [Re: Building3] #4502499
08/30/17 04:28 PM
08/30/17 04:28 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
What you can do is hook a garden sprayer up to the oil pressure port and get the engine primed with oil before starting it. That will prevent the equivalent of several thousand miles of engine wear.


Re: Worn main bearings from sitting [Re: Building3] #4502529
08/30/17 04:47 PM
08/30/17 04:47 PM
Joined: Mar 2007
Posts: 204
Minneapolis
03cvpi Offline
03cvpi  Offline
Joined: Mar 2007
Posts: 204
Minneapolis
Do what boTh ford and chevy reccomend for car nearly in storage. Start the car once every two weeks, bring to full operating temp and move the car a lttle to prevent flat spots and dry rot on tires. Works for the two I have in the same situation.

Re: Worn main bearings from sitting [Re: Building3] #4502545
08/30/17 05:08 PM
08/30/17 05:08 PM
Joined: Dec 2006
Posts: 18,834
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 18,834
Dallas,Tx USA
What kind of car is this?


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: Worn main bearings from sitting [Re: aquariuscsm] #4502546
08/30/17 05:11 PM
08/30/17 05:11 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
^ ^ ^ You're supposed to already know that. Use the force Luke. grin2

Re: Worn main bearings from sitting [Re: Building3] #4502551
08/30/17 05:18 PM
08/30/17 05:18 PM
Joined: Dec 2006
Posts: 18,834
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 18,834
Dallas,Tx USA
Even better than the force! laugh



1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: Worn main bearings from sitting [Re: aquariuscsm] #4502552
08/30/17 05:18 PM
08/30/17 05:18 PM
Joined: Apr 2017
Posts: 101
Michigan
Building3 Offline OP
Building3  Offline OP
Joined: Apr 2017
Posts: 101
Michigan
The car is a 1986 Dodge Omni GLH 2.2L 4 cylinder with 5 speed manual

Re: Worn main bearings from sitting [Re: Building3] #4502555
08/30/17 05:20 PM
08/30/17 05:20 PM
Joined: Dec 2006
Posts: 18,834
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 18,834
Dallas,Tx USA
I've never heard of the worn bearings caused by lack of driving thing.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: Worn main bearings from sitting [Re: Building3] #4502562
08/30/17 05:30 PM
08/30/17 05:30 PM
Joined: Jul 2005
Posts: 30,623
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,623
NY
News to me. How long does the car sit before it's used.


God Bless Our Troops

Re: Worn main bearings from sitting [Re: Building3] #4502571
08/30/17 05:36 PM
08/30/17 05:36 PM
Joined: Jun 2003
Posts: 17,492
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,492
Deplorable in apple valley, ca
Originally Posted By: Building3
The car is a 1986 Dodge Omni GLH 2.2L 4 cylinder with 5 speed manual
those were just junk anyway. my mom had an 87 that needed bearings @ 42k. I suspect lugging contributed to it since yours is a stickshift.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Worn main bearings from sitting [Re: Building3] #4502582
08/30/17 05:52 PM
08/30/17 05:52 PM
Joined: Sep 2015
Posts: 873
California
mbacfp Offline
mbacfp  Offline
Joined: Sep 2015
Posts: 873
California
I concur with 03cvpi, Ford recommends running every 15 days. I have a motorhome and have been following that since day 1....same with my towed car...drive it once a week to work to keep everything good.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: Worn main bearings from sitting [Re: Building3] #4502595
08/30/17 06:16 PM
08/30/17 06:16 PM
Joined: Jul 2007
Posts: 962
SACRAMENTO, CA
rrounds Offline
rrounds  Offline
Joined: Jul 2007
Posts: 962
SACRAMENTO, CA
Don't tell that to my motorhome or my Ford pickup. I'm lucky to gey my motorhome out of storage 6 to 8 times a year and my pickup can sit for even longer, so far alls good.

ROD


'06 S2000
'00 SSEi sold at 252k miles
'08 Ford F53 V10
'13 Jeep Sahara 2 door
Re: Worn main bearings from sitting [Re: Building3] #4502602
08/30/17 06:29 PM
08/30/17 06:29 PM
Joined: Sep 2015
Posts: 873
California
mbacfp Offline
mbacfp  Offline
Joined: Sep 2015
Posts: 873
California
Out of curiosity, is there something on the OPs engine that leaves it susteptable to engine damage under those starting conditions. If so, why? Design flaw?


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
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