Question about 1987 Toyota 4Runner

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Do I need to remove the timing cover to replace the crank seal on a 87 22RE 4 Runner?

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Yes you do

Posted on Jun 05, 2010

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I have a myster oil leak on my 2011 Yamaha wave runner cannot find


if you can find a motor oil leak while in the wave runner
rear engine seal / oil filter seal /rocker covers front cover seals
lift the motor out and replace all the engine seals and gaskets


unseen internals
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How do you replace front crank seal on 02 avalanche


The front crank seal is behind the oil pump on the LS series motors. There is also a seal at the crankshaft and harmonic balancer on the front timing cover. This is typical leak area. You can carefully remove the harmonic balancer with a puller, replace the timing cover seal and reinstall. Make sure not to pinch the seal lip You will have to have a special tool in order to re-install the balancer, which is extra long to squeeze it on the tapered shaft. I do not think the other crank seal is an issue since it drains to the pan behind the oil pump.

Dec 29, 2014 | 2002 Chevrolet Avalanche

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Replace front camshaft seal


Disconnect battery, remove breather box, disconnect wires to alternator. If it has coil packs, remove them. Remove valve cover. Remove power steering pump( don't unhook the hoses) lay it to the side. Loosen alternator. You may need to rent a special tool to remove crankshaft pulley. Unplug cam sensor, remove timing cover. remove #1 spark plug, turn crank by hand until you find TDC compression stroke (notice timing marks on cam and crank pulleys). loosen bolt on timing belt tensioner and remove timing belt. Remove cam pulley and replace cam seal, while you're at it you may as well change the crank seal too. Reinstall everything in reverse order.After you get it back together, you'll have to recode your radio, if it is equipped with anti theft. If you're lucky, this is about a 6 hour job.

Apr 11, 2014 | 2001 Honda Accord

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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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How do you replace a gasket and cover for timing chain and rear seal gasket for oil pan on a 1978 Chevy 350 motor


the oil pan will need to be removed to repalce the rear seal, so replace the front seal and gasket then, replace the timing chain/gears if sloppy, then reinstall the oil pan.

Dec 11, 2010 | Chevrolet Blazer Cars & Trucks

1 Answer

1988-1993 ford festiva leaking oil around the crank pulley... could the oil be coming out of timing chain seal... are could it be a the seal on the crank shaft.. if so would i need to removle the engine to...


This sounds like the crank seal, the engine doesnt have to be removed, in order to get to seal is like replacing the ttiming belt, and once in the timing belt i would replace the crank and cam seals, also do the timing belt, and maybe the waterpump, you will need to remove the crank pulley and then the timing covers then align timing marks for timing belt before ou remove it, with timing belt off the crank pulley then slides off the crankshaft and the seal is behind it, the cam shaft gear unbolts and the seal is behind the gear, once the gears are off then you will be able to remove the seals from the engine,heres a few diagrams to help. good luck and i hope this is helpful,60d826b.gifca916fa.gifcb2cb5a.gif

Oct 31, 2010 | 1993 Ford Festiva

2 Answers

Change front main seal , leaking oil around timing chain cover. could be seal around harmonica balancer.


yes, I just changed one of these recently. Had to take both front and bottom off engine. Very difficult repair, as there are no good jack points for the engine when you have all the motor mounts off.
Here is procedure I would recommend.
Remove starter and engine to transmission brackets front and back.
Remove transmission starter gear cover.
drain oil and remove oil pan.
put a block under the crankshaft and jack to release weight on motor mount.
remove front motor mount (by serpentine belt)
remove belt.
remove compressor and bracket.
remove crank pulley and vib damper.
remove timing cover. mark timing belt with direction of travel
loosen tensioner gear.
remove timing belt.
remove crankshaft timing gear and key.
remove seal and oil pump housing.
clean gasket surfaces.
replace seal and reverse procedure.

If you have questions, let me know.

Oct 06, 2010 | 1993 Dodge Caravan

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1995 toyota camry leaking oil from behind the timing belt cover. Isn't this a major repair? Is the leak more than likely a camshaft seal?


If you haven't had the timing belt replace (60,000 miles is the suggested service intervale) this is an overlap of having the timing belt replaced.
If the timing belt is not due for replacement and its the cam shaft seal that is leaking. Its a pretty easy fix. Remove the top timing belt cover , and the crankshaft sensor wiring you may have to remove the front engine mount . Set #1 piston at TDC, Loosen tensioner w/ spring slip off belt. **Remove sprocket pull out old seal with a sharp pick. Greese and install new seal make sure its flush with its bore . Reistall sprocket. Slide belt over Cam sprocket tighten tensioner. Install cover and mount (if applicable) Check timing marks by turning crank two revolutions.
** If CamSprocket Bolt is difficult to remove then remove valve cover and use a 21mm wrench to hold the Camshaft while you crack off Cam Sprocket Bolt.
You will see the groves on the Camshaft where you can place a wrench to hold the shaft.
After you replaced the seal replace the valve cover gasket ONLY IF YOU HAD TO REMOVE THE COVER TO HOLD THE CAM WHILE REMOVING ITS BOLT.

This is about as major as it gets.

May 12, 2010 | 1995 Toyota Camry

2 Answers

4 auto


If you aren't a pretty good shade tree mechanic I don't recommend you try it. You need a seal removal tool and if you have to be very careful not to scratch the crankshaft when removing the seal. If you have had the head replaced lately I can tell you that you may have the head gasket on wrong causing the pressure to build up at the crank seal! You have to remove the timing belt and belt gear to get to the seal.

Sep 22, 2009 | Geo Cars & Trucks

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Change front crankshaft oil seal on 1966 jaguar s-type 3.8


remove front crossmember remove sump remove crank pulley prise cone from end of crank remove key from crank carefully prise out seal runner checkthis for wear and replace if worn pull seal from timing case lips reasemble lubricating new seal tip lock crankshaft piece of wood to ease loosening and tightening pulley bolt

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