Question about 1986 Porsche 944

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What problams will i have replacing the front main seal on the crank shaft

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Hello , are you leaving the engine in the car ? If so you may have room to work issues , but is a very easy fix. Just take your time and DO NOT tear the sealing surface that meets or rides on the crank. Use some good oil or grease to help it slide in nicely. Quinn, Arizona

Posted on Jul 25, 2009

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1.8l. How do I replace front seal?

1. remove all the fan belts on the main (crank shaft pulley)
2. Lose the bolt of the pulley, Use a puller to remove the pulley (if neccesary)
3. Use a screwdriver to remove the oil seal...
4. Insert a new oil seal (but reduce the spring by 25-40mm by cutting it)
5 couple it!!!

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I have an 89 Toyota P/U 4cyl. w/air & power steering. I removed my harmonic balancer to repair/replace the front main seal. I replaced a new harmonic balancer and front main seal and a streaming o

Replacing the cam seal. You had to pull the timing belt. Because you had to remove the cam gear. This is where the problem is. Reset the timing and follow the manual to exact procedures. I recommend you replace all the timing components. Also, when you set the timing belt tensioner, Pry on it to get maximum tension. Before you put it together, turn the crank shaft two full turns (by hand/wrench/socket. Make sure it is on the marks. then reassemble.

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IS the oil coming from the same place? Was it a reputable shop that replaced it? If the answer is yes and the vehicle is high mileage, there may be an issue with end play or runout on the crank and this could be bearings that are worn. Could be a whole engine overhaul that you are looking at. There are also cases where the seal can cause a wear ring on the shaft and the shaft has to be replaced.

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Oil leaking from engine 1994 corolla

This could be run out or end play on the shaft. That would mean replace the bearings. IT would also be seal has worn a grove in the shaft. If it is worn, flame spray can be used to rebuild the shaft. IT would be cheaper than a new crank.

Feb 19, 2014 | Cars & Trucks

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Replace front crankshaft seal

When you replaced the front seal did you smear a bit of oil in side of the seal because sometimes if you don't you can nick the inner seal.
if the seal is ok the you most probably have a worn crank/cam shaft.
hope this helps

Jan 10, 2014 | Volvo Cars & Trucks

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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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    How can change oil seal?

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    what part of the engine is the oil leaking from?
    if its the front, it could be the main rubber seal or gasket, if its the rear, it could be the main crankshaft seal.
    Please be more specific.

    Good luck.

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    Leaking oil fro the bottom front I had the motor changed and they say its the main seal . But i want to do it myself

    Its likley the Crank seal, also called front main ( rear main being the end that meets the transmission.

    Its pretty easy to do you just have to remove the serpentine belt, and remove the crank pulley, then you can pry out the old seal with a pick or screwdriver, clean the area from dirt and debris. then put the new seal in place, you can use a large socket that fits the ring of the seal, and hit it in with a hammer, keep hitting evenly around the seal so it goes in straight

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    R & r info. on front seal and crankshaft seal. Car is leaking lots of oil up to two quarts per day

    Front crank shaft oil seal is located behind the crank shaft pulley (A.K.A. the harmonic balancer). If you look from under the car at the bottom pulley on the engine. It will be very wet and oily. This is not an easy job to replace the seal for the inexperienced.

    Aug 14, 2009 | 1991 Ford Taurus

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