Oil Leak 96 Camry

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Old 21 Mar 2005, 06:16 am   #1 (permalink)
cshort@brownelevator.com
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Default Oil Leak 96 Camry

I have a 96 Camry LE 4cyl with a nasty oil leak that appeared to be
coming from the corner of the pan under the crank. Changed the pan
gasket and dome gasket, still leaking. Took the timing cover apart
last night and changed the cam gasket. Still leaking. I'm thinking
crankshaft gasket or oil pump gasket? Oil is leaking about a quart +
per day. Anything else I should be checking or tips on changing the
crankshaft gasket? I have done the timing belt b4 so I'm aware how it
all comes apart. Thanks

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Old 21 Mar 2005, 08:37 am   #2 (permalink)
Daniel
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Default Re: Oil Leak 96 Camry

Best to change all the oil seals once the timing cover is removed.
Sounds like an oil pump seal, since those are under pressure.
Tips for the crankshaft oil seal replacement.
These are my own ideas, not necessarily representing them as a
professional approach, but they worked for me.
The big caution when removing the crankshaft oil seal by prying with a
screwdriver as usually recommended, is not to scratch the crankshaft.
Since I didn't want to take a chance on ruining a crankshaft on my
first attempt, and noticed the crankshaft oil seal has a steel backing,
I center punched and drilled some small holes, using tape on the drill
bit to limit depth and proceeding very carefully, then using a hook and
pick set, hooked one of those holes, pulled hard, and the seal popped
out. Turns out drilling one small hole would have been enough.
For driving in the new crank seal, I took the new crank seal to Home
Depot and matched it up with a "wye" ABS black plastic plumbing line.
Turned out to be a standard size - don't remember anymore, 2 1/2" or
something similar. Then held the angle part and tapped on the end with
a small sledge hammer to drive the crank seal in flush. Had tried
finding a socket, but none of the deep sockets, even up to 3/4" drive
at Sears, had enough depth to reach over the crank snout. Good thing I
had that little plumbing pipe because otherwise could not have gotten
the crankshaft oil seal to seat fully - it did have to be driven into
place.
Oil seal replacement was fairly simple, Small seal could be pressed in
by hand. Used a small amount of red grease to hold the little O ring in
place, since it would otherwise fall out of the groove.
Used the electric impact wrench to remove the oil pump pulley bolt,
after removing the oil pump. I used one of those neoprene band clamps
to hold the oil pump sprocket. Some had said it can be extremely
difficult to remove, but mine spun right off.

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Old 10 Apr 2005, 09:37 pm   #3 (permalink)
ecogabriel
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Default Re: Re: Oil Leak 96 Camry

"nospampls20021" wrote:
> Best to change all the oil seals once the timing cover is
> removed.
> Sounds like an oil pump seal, since those are under pressure.
> Tips for the crankshaft oil seal replacement.
> These are my own ideas, not necessarily representing them as a
> professional approach, but they worked for me.
> The big caution when removing the crankshaft oil seal by
> prying with a
> screwdriver as usually recommended, is not to scratch the
> crankshaft.
> Since I didn't want to take a chance on ruining a crankshaft
> on my
> first attempt, and noticed the crankshaft oil seal has a steel
> backing,
> I center punched and drilled some small holes, using tape on
> the drill
> bit to limit depth and proceeding very carefully, then using a
> hook and
> pick set, hooked one of those holes, pulled hard, and the seal
> popped
> out. Turns out drilling one small hole would have been enough.
> For driving in the new crank seal, I took the new crank seal
> to Home
> Depot and matched it up with a "wye" ABS black plastic
> plumbing line.
> Turned out to be a standard size - don't remember anymore, 2
> 1/2" or
> something similar. Then held the angle part and tapped on the
> end with
> a small sledge hammer to drive the crank seal in flush. Had
> tried
> finding a socket, but none of the deep sockets, even up to
> 3/4" drive
> at Sears, had enough depth to reach over the crank snout. Good
> thing I
> had that little plumbing pipe because otherwise could not have
> gotten
> the crankshaft oil seal to seat fully - it did have to be
> driven into
> place.
> Oil seal replacement was fairly simple, Small seal could be
> pressed in
> by hand. Used a small amount of red grease to hold the little
> O ring in
> place, since it would otherwise fall out of the groove.
> Used the electric impact wrench to remove the oil pump pulley
> bolt,
> after removing the oil pump. I used one of those neoprene band
> clamps
> to hold the oil pump sprocket. Some had said it can be
> extremely
> difficult to remove, but mine spun right off.


Hi,

I have the same leak at about the same place -lower left corner of
engine- in my 96 Camry DX (4 cyl. engine). I strongly suspect the leak
comes from the oil pump seal (once the engine starts the leak starts,
once itís stopped, the leak stops)

However, I have been unable to remove the crankshaft pulley nut, so I
cannot see exactly where the leak comes from. I wonder in what
direction the nut loosens (looking at the pulley from its front ,
clockwise/counterclockwise)

I know it sounds stupid, but those are fastened quite hard sometimes
and I have had not success so far... if anyone knows please help.
Thanks

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Old 11 Apr 2005, 07:06 am   #4 (permalink)
Daniel
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Default Re: Oil Leak 96 Camry

I found a $50 electric impact wrench (you might find one on sale for
$39.95) worked great on mine.
The nut is removed in the standard direction - CCW.
A very nice bonus of using the impact wrench, is that the nut came off
quickly enough that the crankshaft pulley position was not changed.
Have heard the six cylinder crankshaft pulley nuts can be very, very,
tight - sometimes needing industrial strength 450 lb.ft. air wrenches
to remove.
The alternate methods are holding the ring gear on the flywheel while
using a long extension on a breaker bar, or propping the breaker bar
against a frame member or the ground and _briefly_ cranking over the
engine with the starter motor, but as I've said, I prefer the electric
impact wrench with correct six point socket.

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Old 12 Apr 2005, 10:09 am   #5 (permalink)
ecogabriel
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Default Re: Re: Oil Leak 96 Camry

"nospampls20021" wrote:
> I found a $50 electric impact wrench (you might find one on
> sale for
> $39.95) worked great on mine.
> The nut is removed in the standard direction - CCW.
> A very nice bonus of using the impact wrench, is that the nut
> came off
> quickly enough that the crankshaft pulley position was not
> changed.
> Have heard the six cylinder crankshaft pulley nuts can be
> very, very,
> tight - sometimes needing industrial strength 450 lb.ft. air
> wrenches
> to remove.
> The alternate methods are holding the ring gear on the
> flywheel while
> using a long extension on a breaker bar, or propping the
> breaker bar
> against a frame member or the ground and _briefly_ cranking
> over the
> engine with the starter motor, but as I've said, I prefer the
> electric
> impact wrench with correct six point socket.


Hi, thanks for the info.

Unfortunately, I tried the electric impact wrench but to not success.

I tried counterclockwise because it was the thing that made the most
sense. I broke a 6-point socket in another attempt with the breaker
bar. Lastly, I thought that it might loose clockwise because of the
way the engine rotates, but as you say it is counterclockwise, so I do
not know what to do with that thing. I hate paying couple hundred
bucks for something that takes 10-20 bucks in seals to fix... anyway

Thanks

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Old 16 Apr 2005, 06:40 am   #6 (permalink)
Daniel
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Default Re: Oil Leak 96 Camry

ecogabriel wrote:
I broke a 6-point socket in another attempt with the breaker
> bar. Lastly, I thought that it might loose clockwise because of the
> way the engine rotates, but as you say it is counterclockwise, so I

do
> not know what to do with that thing. I hate paying couple hundred
> bucks

-----------------------------------
Just take the car to a local independent mechanic.
They have high powered compressed air impact wrenches.
Tell him to remove the crankshaft bolt - break it loose, then just put
it back on at the correct torque - 80 ft.lbs.
Only costs a few dollars, takes a matter of seconds once the wheel is
off, and then you'll have no problem removing it at home.
A neighbor broke several sockets, wrenches and a breaker bar on the
axle nut on his Honda - corner garage had it off in seconds.

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Old 17 Apr 2005, 11:29 am   #7 (permalink)
ecogabriel
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Default Re: Re: Oil Leak 96 Camry

"nospampls20021" wrote:
> ecogabriel wrote:
> I broke a 6-point socket in another attempt with the breaker
> > bar. Lastly, I thought that it might loose clockwise

> because of the
> > way the engine rotates, but as you say it is

> counterclockwise, so I
> do
> > not know what to do with that thing. I hate paying couple

> hundred
> > bucks

> -----------------------------------
> Just take the car to a local independent mechanic.
> They have high powered compressed air impact wrenches.
> Tell him to remove the crankshaft bolt - break it loose, then
> just put
> it back on at the correct torque - 80 ft.lbs.
> Only costs a few dollars, takes a matter of seconds once the
> wheel is
> off, and then you'll have no problem removing it at home.
> A neighbor broke several sockets, wrenches and a breaker bar
> on the
> axle nut on his Honda - corner garage had it off in seconds.


I was just thinking on how to get a mechanic to loosen that damn bolt.
Your advice comes just at the right time...
Apparently, some "mechanics" do not know what "torque
specifications" are for.

Thanks again; Iíll post the news

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