95 Camry oil pump seal leaking....any help on changing

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Old 21 Nov 2006, 08:54 pm   #1 (permalink)
DOCRULZ
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Default 95 Camry oil pump seal leaking....any help on changing

My son has a 1995 Camry that the oil pump seal is leaking very bad. Is
this something that he can attack at home?? He is taking auto mechanics
so is fairly knowledgable but dad is not and wondering. Any advice on the
procedure and tools required to perform???

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Old 22 Nov 2006, 11:19 am   #2 (permalink)
Daniel
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Default Re: 95 Camry oil pump seal leaking....any help on changing

DOCRULZ wrote:
> My son has a 1995 Camry that the oil pump seal is leaking very bad. Is
> this something that he can attack at home?? He is taking auto mechanics
> so is fairly knowledgable but dad is not and wondering. Any advice on the
> procedure and tools required to perform???

==============
Why not have him write in and ask?
There is quite a bit of general mechanical experience, knowledge and
tools required.
Doesn't really make sense to do only the oil pump seals -- crankshaft
seal, water pump, timing belt, idlers and camshaft seal should
probably also be replaced.
If maintenance is not on schedule, may also want to include spark
plugs, valve cover gasket, distributor O ring, etcetera.
If he's interested have him write back.
It certainly can be done at home, but I wouldn't recommend it as a
first job while still studying auto mechanics. It is not uncommon to
make a few mistakes when learning and these are items that should be
done right the first time.
Probably better that he begin on something simpler and then progress.
On the other hand I don't know your son.
The process really isn't complicated, but there are little tricks that
make the job simpler.
If he's interested in tackling it, have him write back.

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Old 23 Nov 2006, 10:03 am   #3 (permalink)
DOCRULZ
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Default Re: 95 Camry oil pump seal leaking....any help on changing

my dad just posted the comment that i wanted to change the oil pump seal.i
would like to try it at home.if there is anything that you could let me
know that might help me out i would appreciate it.thank you.

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Old 24 Nov 2006, 01:08 pm   #4 (permalink)
Daniel
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Default Re: 95 Camry oil pump seal leaking....any help on changing

DOCRULZ wrote:
> my dad just posted the comment that i wanted to change the oil pump seal.i
> would like to try it at home.if there is anything that you could let me
> know that might help me out i would appreciate it.thank you.

==============================
If you really just wanted to change the oil pump seal it is not that
difficult.
I wonder how you know it is the oil pump seal and not the crankshaft
seal right next to it, both of which are covered by the timing belt
cover.
Since you have to remove the timing belt to access the oil pump, you
might want to change it while you're there. Same with accessory drive
belts, water pump and idlers.
But for sake of discussion, let's say you just wanted to change the oil
pump seal.
Actually there are two. One seals the shaft and the other seals the
cover of the oil pump. Both gaskets are inexpensive and easy to
install. The shaft seal can be pressed into place with finger pressure,
and the cover gasket for the oil pump is a thin curvy piece that goes
into a tiny groove and then the cover just bolts over it. I used a
light coating of grease to hold it in place.
To access all this you need to lift the wheels off the ground. Use the
semi spherical point at the center of the front subframe as a jacking
point, and set jack stands on either side.
It's real handy to have an air gun, but not necessary.
Remove the right front wheel and tire and the plastic cover plate in
the wheel well.
The instructions are in the Haynes repair manual and in the factory
service manual. You can find a copy online at:
http://www.turboninjas.com/camry/
or
http://oregonstate.edu/~tongt/camry/index.html
Helpful tips not covered in the manuals are:
Remove the crankshaft pulley first so you can access the lower bolts on
the engine support more easily, and pre tension the timing belt by
installing a new tensioning spring but don't rely on that for
tensioning the belt - it is not strong enough and the belt will be too
loose. Instead pry hard on one of the idlers or pull up hard on it with
a hook tool, then release the extra tension and let the spring on the
tensioner pulley then hold the tension at the correct amount as you
tighten the bolt.
As I said it is very helpful to have an impact gun for the crankshaft
pulley bolt. On the four cylinder, you might be able to just use an
inexpensive (around $50) electric impact wrench.
I've seen suggested also to disable the ignition, fasten a wrench
handle very securely against the floor or a suspension member and just
very briefly engage the starter to break loose the bolt.
One more thing. The bolt holding the sprocket on the oil pump can also
be removed with your impact gun. You could try holding it with one of
those belt type wrenches but I found it came off quite easily. Others
have reported more difficulty in removing it, but even a small impact
gun should be ample for that.
Harbor Freight sells inexpensive impact sockets that are probably OK
for limited use. I did manage to crack one of their impact sockets
trying to remove control arms bolts, but the crankshaft pulley bolt
should not be that tight.
As a general tip, Kroil makes a penetrating oil which is very good, but
for the control arm bolts the front two fasten into recessed threads
that could not be reached. For the rear bolt, the Kroil worked fine,
but you're not touching those here, just a suggestion that Kroil is
very useful to have around.

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Old 25 Nov 2006, 10:51 am   #5 (permalink)
Daniel
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Default Re: 95 Camry oil pump seal leaking....any help on changing

Daniel wrote:
>

it is very helpful to have an impact gun for the crankshaft
> pulley bolt. On the four cylinder, you might be able to just use an
> inexpensive (around $50) electric impact wrench.
> I've seen suggested also to disable the ignition, fasten a wrench
> handle very securely against the floor or a suspension member and just
> very briefly engage the starter to break loose the bolt.

===========================
If you disable the ignition, you should _not_ simply disconnect the
high tension lead because that can create potentially expensive
damaging voltage spikes when the current has no path of travel to
ground.
Better to remove the fuel system fuse, or ground the ignition wire.

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