Question about 1983 Dodge Pickup
2003 Dodge 318 conversion van 55,000 miles. Burns no oil, runs well other than a knocking sound coming from the rear of the block low down, seems to disappear when the oil pressure reaches 50 psi.
If it is the main bearing......... Can the bearings be changed without removing the engine?
Any ideas about the shop time to replace the main and possibly the lower rod bearings?
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Posted on Jan 02, 2017
Yes ,regardless of which seal is used as you have to loosen main bearings so the crank can be moved down as the seals are crush type and you wont have the clearance to fit the new one,Split seals (2 piece)are the easiest to fit without moving the crank too much.The one piece seal also means trans removal.As far as removing trans completely you may be able to move it back while its being held up by a trolley jack and only pull it back far enough to give you the clearance needed.Autos are far easier than manuals.If its the rope type seal a special tool is used to fit them and its not a tool that is sold just anywhere as that type of seal kept noahs ark from sinking and havnt been used in engines for many many years.
Posted on Oct 17, 2008
Yes. Providing the engine has been well maintained and does not have lots lof sludge in it. I do not recommend flush (it loosens up too much debris all at one time and can plug pump screen. On older engines i usually introduce synthetic in "stages", replacing two quarts on first oil change, then 100% at 3000 miles (with filter). Does it work?? I used synthetic (amsoil) in a 318 engine bought at 100k miles and ran it till the trans finally started slipping @ 363K miles. When I bought it it had some light lifter noise. After using synthetic for a few months, noise disappeared and I never had any internal problems for the remainder of the time I had it (and sold car for $400 just for the engine!!!) As far as seaks go, usually synthetics will soften hard seals and lessen leaks valve covers etc may leak more but usually are easy to replace. Good luck PS: only synthetic I would not use is Mobil because there are more additive packages and less actual lubricant in each quart than you could imagine: it has been "re-formulated" at least ten times since they first put it on the market.
Posted on Feb 26, 2009
SOURCE: i have a 1998 dodge
Sorry. From the sound of it your motor is done for. A knocking sound and a loss of oil pressure are the last two things you ever want to have in a motor. If you have any plans of reusing the block for a rebuild I strongly suggest not running the truck anymore. If it does go to pieces the price tag will go up greatly. But, if I had to guess I would put my money on the main bearings. Simply because of the oil pressure issue. Sorry. Good Luck.
Posted on Mar 24, 2010
If your engine has a rod knock the engine has to be rebuilt or replaced rebuilt is about $2000 to $3000 dollars and a new motor even more.It is unusal for a rod to be out around 60,000 miles unless it was ran real hard or run out of oil or way low on oil.
Posted on Mar 29, 2010
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