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Front main seal leaking on a 1999 chevy suburban

Do I need to take out the engine or the transmission in order to replace the front main seal on a 1999 Chevy Suburban

Posted by Anonymous on

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Posted on Jan 02, 2017

dennymulford
  • 1055 Answers

SOURCE: 1999 chevy suburban misfire

could be one of several things
1) run a compression check, if it low on that cyl then you have a blown head gasket or burnt valve
2) could be the enjector

Posted on Feb 27, 2009

  • 744 Answers

SOURCE: I Need a 454 Chevy Engine Firing Order Diagram.

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Posted on Mar 19, 2009

  • 4 Answers

SOURCE: Chevy Suburban Front A/C not blowing/not cold

i had the same problem, i changed out the complete front control panel and now it works like a charm.

Posted on May 11, 2009

  • 6 Answers

SOURCE: Rear a/c not blowing cold, front works fine.

you may not have enough refrigerant. a low charge can cause the rear in this dual system to not work for beans. charge with a can of uv and find the leak. fix the leak. evac the system and recharge. i think you take 4 lbs, but check the accumulator sticker. you may want to just change the accum at the same time.

Posted on Jun 15, 2009

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1 Answer

Oil leaking trans 1999 chevy S10 replaced torque converter seal leaks at front


ou may need to remove the front pump and replace the seal on the pump and the converter seal as well

Aug 08, 2012 | Cars & Trucks

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I was told I have to replace the crankshaft seal and oil pan gasket on my 2000 chevy malibu and will cost approx. $380.00. Also is the rear main seal the same thing as the crankshaft seal??? Thanks!


Well sometimes.... the front crankshaft seal is usually called a crank seal, or the front timing cover seal but the rear crank seal is (usually) called the Rear Main crank seal. In order to replace the rear seal , the transmission will need to be removed. If its the front, then the harmonic balancer will be removed. $380 sounds cheap. As you will need a oil seal, oil pan gasket, oil, filter, labor and tax. Maybe even a lower engine mount.

Feb 01, 2011 | Chevrolet Malibu Cars & Trucks

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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

Dec 30, 2010 | Ford Festiva Cars & Trucks

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Engine main seals leaking


Replace them.

You will need to diagnose exactly which seals are leaking.

Replacing the front main seal requires removal of the cam timing components, including the timing belt and lower timing cog. The front main engine seal is installed in the oil pump, and can be removed with a pick. The new seal should be installed with care, using ether a seal installer tool or a socket/pipe of size equal to the metal ring in the seal, using a gentle tapping with a small hammer or board to ensure that you don't damage the seal. You must also ensure that the seal is seated fully in the bore. Ensure that you install the seal in the correct orientation.

If the rear main seal needs to be replaced, you will need to remove the engine or transmission from the vehicle to access it.

Dec 19, 2009 | 1989 Honda Civic

3 Answers

I just replaced the gasket of the transmission pan and still have a leak on my 1999 chevy suburban?


The leak is coming from the pan ??
Maybe the leak is traveling to the pan seal area from somewhere else ?
Did you scape off the stuck-on old gaskit on trani and pan ?
Its customary to use gaskit sealer on both sides of the new gaskit..

Aug 13, 2009 | 1999 Chevrolet Suburban

2 Answers

2006 Saturn Vue AWD loses oil fast


First I'd find a different shop. $100 to look at it? I don't think so. Sounds like this may be a transmission issue.

Jun 21, 2009 | 1999 Saturn SL

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My 1994 gmc suburban started leaking transmission fluid on the passengers side now it wont go over 30 mph


You need to find the leak (probably in one of the cooler lines or the pan gasket) fix it, and make sure you have the correct fluid level. If you do all that and it still won't go you probably wore out the internal components from driving it with low fluid. Good luck.

May 13, 2009 | Chevrolet Suburban 1500 Cars & Trucks

1 Answer

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

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ATF is leaking out of the flywheel assy of my 99 Suburban 1500


if it is ATF then it is the trans pump or input shaft seal, these both require the removal of the transmission.

If it is coolant it may be a rear freeze plug, but this is rare and also requires the removal of the transmission

A more likley cause is a leaky intake manifold which is very common on the vortec v8 engines, it leaks at the very back and runs down the bell housing. this repair is a bit extensive but can be accomplished by a good DIYer given time, space and tools this repair is also the least expensive of the three, about $300

Nov 25, 2008 | 1999 GMC Suburban

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