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Rear main seal leak in F163 engine

Rear main seal has been replaced 2 times engine just had complete rebuild in april seal is leaking bad already is there a update replacement seal for the old style rope seal and where can i get one if so

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Don't know if there is an updated seal available but if the machine is eating seals that fast you need to carefully check the flex plate that couples the PTO shaft of the engine to the rotor shaft of the generator. If it is bent, cracked, or out of balance you'll eat seals due to vibrating the back end of the crankshaft around.

Carl

Posted on Dec 03, 2008

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Posted on Jan 02, 2017

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Possible leak from my rear main seal on 87 bronco 2


The valve cover gaskets are prone to leaks and bad ones at that. Cleans the entire engine and rive it to confirm the source of the leaks or leaks.. Remember the oil runs down hill and to the rear of the engine and gets all over from leaking valve cover gaskets.

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Oil leak on driveway coming from front of engine


Dear Sir,
Here is the oil leaking Problem Identifying Technique

Engine oil leaks from the valve cover gasket are common.

  • The intake manifold plenum gasket may leak and cause increased oil consumption/burning and a spark knock during acceleration; the gasket should be replaced.
  • External oil leaks from valve cover gaskets, intake gaskets (front or rear), and the rear crankshaft (rear main) seal area are common. The rear main seal is an unlikely source. Normally, the bearing cap mating surfaces (as well as the sealing surface between the oil pan and bearing cap) are the source for the leaks.
  • Engine oil leaks at the distributor can be misdiagnosed as leaks from theintake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.
  • If the oil filter casing shows signs of distortion from excessive oil pressure, theoil pump should be replaced.
  • Often misdiagnosed as a leaking oil filter gasket, the oil filter adapter can seep from between the adapter and engine block.
  • Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

  • I think it helps to analyse u r Problem

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    Rear seal leaking on 2007 ford escape


    In order to replace the rear main seal you will need some auto repair tools and experience . this is a big job , the transmission must be removed to replace this seal, also make sure that the seal is the leak,

    oil always flows down, a leak on the top of the engine will flow down and drip at the center rear and look like a rear main seal , make sure that is the leak!!.

    Depending on what engine you have and if it has 4 wheel drive the time for a shop to do is from 7 to 10 hours depending on engine size and 4wd,

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    The most serious common faults are with the standard 3.4 engine in the early 996 Carrera models (not applicable to Turbo engined vehicles which is a different engine design):

    1. The engine cylinder liners develop hairline cracks. (Engine replacement or rebuild required).

    2. The intermediate shaft bearings fail in these engines (a well known design fault). Failure requires engine replacement.

    3. The rear main seals in the engines fail as exhibited by a slowly worsening oil leak. The seal needs to be replaced when they leak. It's an expensive job.

    Problems 1 and 2 are serious have resulted in many engine replacements. Problems 2 and 3 remained when Porsche upgraded to the standard 3.6 engine in the series two 996 Carrera models (problems not applicable to Turbo engines)..

    There are a few other issues such as Air Conditioning condensers that clog up with road debris and eventually become porous and fail.

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    My son has been doing something called doughnuts?in his car .so has split the main feeder pipe .i have changed that .but now there is fluid dripping from somewhere behind the engine could this be something...


    dougnuts are never a good thing. the front seal on transmission could be leaking,if so the fluid will be red.it will drip down between the engine and transmission. if so, the transmission will need to come out fo r a replacement of front transmission seal. if it's clear fluid,it may be a bad steering rack. if it's black oil, it could be a bad rear main engine seal. if bad rear main seal,that transmission will need to come out for replacement of rear main engine seal.a abd rear main engine seal will also leak down between the engine and transmission and be black oil. check for color of the fluid leaking to give you a starting point to diagnose what to look for. thank you for choosing fixya.com

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    Leaking water from the back of the engine . it comes out of the bell housing of transmission. where is it coming from and how do i fix it????


    Water is leaking from the engine block rear freeze plugs, transmission will have to be remove to replace freeze plugs, there's two, I would also have the rear main seal replace at the same time, there there already, or if it starts to leak later, you will have to have the transmission remove again to replace seal, hope this was very helpful.

    Aug 20, 2010 | Chevrolet Camaro Cars & Trucks

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    Rear main seal leaks..does this affect transmission??


    A leaking rear main seal will not cause your transmission to leak.

    The transmission has its own seal and should not leak because of the engine rear main seal.

    Due to the labor involved in replacing the rear main seal on the engine, it is best if you replace the front transmission seal at the same time if possible.

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    Oil leak in rear main area and I have already replaced it


    Have you replaced the rear main seal? What bout the housing that holds the seal, it'a an alu casing and it might hava a crack? The crankshat rear part where the seal goes could have a deep groove as well.

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