I've a 99 protege replaced the rear main seal in, and leaks again , I was told that the crank was worn and that's what caused it to leak again could this be true or am I getting scamed

Question 1

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1answer

Instrructions on replacing a rear main seal on 2004 kia rio

Oil leaking "in" your valve cover? Where is the oil at/coming from? And, to answar your question, rear main seal is a real job! Requires removing transmission, flex plate/fly wheel! It is the crank shaft seal, on the "rear" of the engine!

Jun 08, 2016 • 2004 Kia Rio

1helpful

4answers

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

Nov 02, 2012 • Toyota Cars & Trucks

1helpful

1answer

Possible oil Leak at Knock Sensor

if I'm not mistaken, the knock sensor is mounted on the transmission bell close to the motor and detects the flywheel position. It is possible that the valve cover gaskets might be leaking from the bottom side and dripping onto the knock sensor, but it is also possible that the leak might be from the rear main seal of the motor. If that is the case, you will have to drop the ****** to replace the seal. If the knock sensor was bad your vehicle would not start at all, just crank. Try to wipe all the old oil with rags and look very closely where it gets oily again

Jun 23, 2012 • 1991 Buick LeSabre

0helpful

1answer

Rear main seal leaking

this is caused by a worn out oil seal. just have a mechanic replace your oil seal

May 17, 2012 • 1994 Isuzu Rodeo

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1answer

I had oil leaking out the rear main seal of my 2000 Mazda Protege. I changed the PCV valve and poured a bottle of Bar's Leaks Rear Main Seal Repair into the crankcase. Now the car is making a chirping...

Did you install a factory PCV valve ?

Aug 15, 2017 • 2000 Mazda Protege

2helpful

1answer

My Chevy 2002 Tahoe is leaking oil. They told me

this truck is equipped with an aluminum oil pan you could have 1 or several things going on... a stripped drain plug which is causing it to leak or it may be a leaking front seal or a rear main seal. If it is a front seal it is not to labor intensive. But if it is a rear main seal leaking it will require the transmission to be removed since the seal is a 1 piece rear main

Sep 07, 2009 • 2002 Chevrolet Tahoe

3helpful

2answers

Rear main seal is leaking on a Ford Mustang 2003 V-6

In order to replace the rear main seal u have to pull the transmission out to access it, u will need a special seal installer tool to install the new rear main "full circle seal", it u don't use the special ford tool the seal will leak again, also if there is a groove worn ion the crankshaft the crank must be repaired or replaced or the or the seal will leak again, so this is avery diff job, a 9 on the scale of 1-10 with 10 being the mos difficult.

May 10, 2009 • 2003 Ford Mustang

1helpful

1answer

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.

Installation varies on different vehicles but the principles are the same.

Apr 15, 2009 • 1997 Oldsmobile Regency

0helpful

2answers

Oil leak in my 98 mazda protege

Could be a rear main seal.

Apr 02, 2009 • 1998 Mazda Protege

1helpful

2answers

86 T'bird with leaky main seal

on the 86' bird the engines are all mounted for rear wheel drive the problem is the seal is very touchy, you may have a grove on the crank . ford makes a seal kit with a new and improved seal. i know i own a 86' bird.

Jun 22, 2008 • 1986 Ford Thunderbird

Question 2

ivan whisker

Cars & Trucks Master 1,164 Answers
Posted on Sep 24, 2012

ivan whisker

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Joined: Jul 24, 2012

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Unlikley as its only the rubber that touches the crank shaft on any car but it could be warped moving the seal and letting oil out more likeley if its still leaking did the garage do it it may be that the seal was rubbish they put in and are trying to get more money out of you for the sake of another seal was it genuin parts of aftermarket parts as some times that makes a masive difference hope this helps

Answer 2 · 11/26/2008 12:00:00 AM

Anonymous

1 Answer
Posted on Nov 26, 2008

SOURCE: Rear Main Seal Leak

To replace the seal, the mechanic will have to either lift the engine or lower the transmission. You will get much better pricing going to a transmission shop (e.g. AAMCO) and getting a quote from them to replace the seal.

Anonymous

140 Answers
Posted on Jan 24, 2009

SOURCE: Rear Main Seal Leaking

Hello, it's not "easy" but, it's doable.
You'll need to follow the instructions and don't take shortcuts. ask for help if you need it.
Use this link to get an idea of what is involved. Ignore the "remove transmission" part. It can be done without removing the tranny. If you decide to do this buy a service manual to help you. If you have any questions feel free to ask.
Here is the link:
http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152801caf2a

Anonymous

234 Answers
Posted on Apr 15, 2009

SOURCE: 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.

Installation varies on different vehicles but the principles are the same.

Anonymous

15 Answers
Posted on Jul 25, 2009

SOURCE: 2001 Silverado 1500 Z71 4x4 oil leak

i had the same problem and it turned out to be the gasket on the rear main seal housing not the rear main seal.

Anonymous

3600 Answers
Posted on Aug 08, 2009

SOURCE: rear main seal

I have done many the transmisson has to come out to replace it but your price is way out of line, should not be more than $400.00 give me a zip and I can get you a certified shop that can do it for less with a warrenty.

Answer 3 · 11/26/2008 12:00:00 AM

Anonymous

1 Answer
Posted on Nov 26, 2008

SOURCE: Rear Main Seal Leak

To replace the seal, the mechanic will have to either lift the engine or lower the transmission. You will get much better pricing going to a transmission shop (e.g. AAMCO) and getting a quote from them to replace the seal.

Answer 4 · 1/24/2009 12:00:00 AM

Anonymous

140 Answers
Posted on Jan 24, 2009

SOURCE: Rear Main Seal Leaking

Hello, it's not "easy" but, it's doable.
You'll need to follow the instructions and don't take shortcuts. ask for help if you need it.
Use this link to get an idea of what is involved. Ignore the "remove transmission" part. It can be done without removing the tranny. If you decide to do this buy a service manual to help you. If you have any questions feel free to ask.
Here is the link:
http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152801caf2a

Answer 5 · 4/15/2009 12:00:00 AM

Anonymous

234 Answers
Posted on Apr 15, 2009

SOURCE: 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.

Installation varies on different vehicles but the principles are the same.

Answer 6 · 7/25/2009 12:00:00 AM

Anonymous

15 Answers
Posted on Jul 25, 2009

SOURCE: 2001 Silverado 1500 Z71 4x4 oil leak

i had the same problem and it turned out to be the gasket on the rear main seal housing not the rear main seal.

Answer 7 · 8/8/2009 12:00:00 AM

Anonymous

3600 Answers
Posted on Aug 08, 2009

SOURCE: rear main seal

I have done many the transmisson has to come out to replace it but your price is way out of line, should not be more than $400.00 give me a zip and I can get you a certified shop that can do it for less with a warrenty.

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Trustworthy Expert Solutions

I've a 99 protege replaced the rear main seal in, and leaks again , I was told that the crank was worn and that's what caused it to leak again could this be true or am I getting scamed

1 Answer

ivan whisker

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Instrructions on replacing a rear main seal on 2004 kia rio

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Possible oil Leak at Knock Sensor

Rear main seal leaking

I had oil leaking out the rear main seal of my 2000 Mazda Protege. I changed the PCV valve and poured a bottle of Bar's Leaks Rear Main Seal Repair into the crankcase. Now the car is making a chirping...

My Chevy 2002 Tahoe is leaking oil. They told me

Rear main seal is leaking on a Ford Mustang 2003 V-6

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

Oil leak in my 98 mazda protege

86 T'bird with leaky main seal

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Trustworthy Expert Solutions

I've a 99 protege replaced the rear main seal in, and leaks again , I was told that the crank was worn and that's what caused it to leak again could this be true or am I getting scamed

1 Answer

ivan whisker

5 Related Answers

Anonymous

Anonymous

Anonymous

Anonymous

Anonymous

Add Your Answer

Attachments: Added items

Related Questions:

Instrructions on replacing a rear main seal on 2004 kia rio

Oil leak on driveway coming from front of engine

Possible oil Leak at Knock Sensor

Rear main seal leaking

I had oil leaking out the rear main seal of my 2000 Mazda Protege. I changed the PCV valve and poured a bottle of Bar's Leaks Rear Main Seal Repair into the crankcase. Now the car is making a chirping...

My Chevy 2002 Tahoe is leaking oil. They told me

Rear main seal is leaking on a Ford Mustang 2003 V-6

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

Oil leak in my 98 mazda protege

86 T'bird with leaky main seal

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Instrructions on replacing a rear main seal on 2004 kia rio

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