What seals are needed for T-belt change ?

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Old 04 Oct 2006, 10:18 pm   #1 (permalink)
odyssey
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Default What seals are needed for T-belt change ?

Greetings, first time in this group.
I'm going to change the T-belt ,I've done a few but not a camry ( '94, 2.2 )
I have the T-belt, crankshaft seal, multi belts, spring tenisioner, But I'm
not to sure about the camshaft seal or seals. Should I try to change them &
or are they nailbiters . I don't think there's anyother seals that are
required..? The belt has been changed before with the water pump some 60k
ago. thanks in advance...dan


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Old 05 Oct 2006, 08:42 am   #2 (permalink)
Daniel
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Default Re: What seals are needed for T-belt change ?

odyssey wrote:
> Greetings, first time in this group.
> I'm going to change the T-belt ,I've done a few but not a camry ( '94, 2.2 )
> I have the T-belt, crankshaft seal, multi belts, spring tenisioner, But I'm
> not to sure about the camshaft seal or seals. Should I try to change them &
> or are they nailbiters . I don't think there's anyother seals that are
> required..? The belt has been changed before with the water pump some 60k
> ago. thanks in advance...dan

============================================
The camshaft turns at one half the engine speed, so that seal usually
lasts longer.
There's a special tool you can get to install the camshaft oil seal,
looks like a cylindrical cup with a bolt through the center to press in
the new seal. The reason you need a special tool is that the strut
tower is very close to the cam gear, limiting access room.
The alternative might be to remove the first cam bearing cap, but then
you would need Toyota FIPG (form in place gasket) material) to reseal
the front bearing cap against oil leaks.
More important, you should plan on changing the oil pump oil seals.
There are two: the seal for the shaft and an O ring for the cover
plate. These are more prone to leakage than the cam seal because the
oil pump is turning more rapidly and they're fairly simple to change. I
used a "strap wrench" to hold the oil pump gear after unbolting the
cover plate, and loosened the nut easily with an impact wrench.
You mention the spring tensioner. There are actually two idler pulleys.
Good idea to change both. Also get a new spring for the tensioner
pulley.
Other oil seals to consider changing at this time are the PCV grommet,
valve cover gasket and grommets, and distributor O ring. According to
the FSM, you're also supposed to change the fuel cap gasket.
Almost forgot to mention, you can save a lot of time and aggravation if
you first remove the crankshaft pulley then access the lower bolts for
the front engine support.

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Old 05 Oct 2006, 07:57 pm   #3 (permalink)
johngdole@hotmail.com
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Default Re: What seals are needed for T-belt change ?

It's recommended that you change the seals while doing the timing belt.
The hotter cylinder head will tend to make the cam seals seep. So
change out cam and crank seals, plus the oil pump seal. See if your
local Autozone will provide a free loaner cam holder tool. You need
this tool. Also, make sure you grease the seals properly before
installing.

The idler pulley is usually in better shape than the tensioner, but
change them both. Check the prices on the Dayco pulley kit. It's a good
deal. Consider changing the water pump while you are at it. $35 for a
BeckArnley or $57 for an Aisin (oem) on www.rockauto.com.

3SFE should be the similar to the 5SFE for which I listed for another
post:

Typical parts replaced in a timing job:
(www.rockauto.com prices for 5SFE)
GATES TCK199 (kit of timing belt with two pulleys and instruction)
$84.79
GATES Part # K030295 PS belt $4.32
GATES Part # K050435 Alt/AC $12.12
FEL-PRO TCS45641 Cam seal $4.11
FEL-PRO TCS45920 Crank seal $6.04
BCA Part # 221820 Oil pump seal $2.71
FEL-PRO VS50304R valve cover gasket set $13.94
BECK/ARNLEY 0396428 $1.87
AISIN (Toyota #16110-79185) water pump $58.79


odyssey wrote:
> Greetings, first time in this group.
> I'm going to change the T-belt ,I've done a few but not a camry ( '94, 2.2 )
> I have the T-belt, crankshaft seal, multi belts, spring tenisioner, But I'm
> not to sure about the camshaft seal or seals. Should I try to change them &
> or are they nailbiters . I don't think there's anyother seals that are
> required..? The belt has been changed before with the water pump some 60k
> ago. thanks in advance...dan


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Old 06 Oct 2006, 12:42 pm   #4 (permalink)
Kurt Krueger
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Default Re: What seals are needed for T-belt change ?

Daniel wrote:

> odyssey wrote:
>
>>Greetings, first time in this group.
>>I'm going to change the T-belt ,I've done a few but not a camry ( '94, 2.2 )
>>I have the T-belt, crankshaft seal, multi belts, spring tenisioner, But I'm
>>not to sure about the camshaft seal or seals. Should I try to change them &
>>or are they nailbiters . I don't think there's anyother seals that are
>>required..? The belt has been changed before with the water pump some 60k
>>ago. thanks in advance...dan

>
> ============================================


I'm probably living on borrowed time, but my '83 Camry is still running on
all the original seals. And is on about it's 5th timing belt. One thing
I've noticed is that the seals do seep slightly. But the design inside
the timing cover channels the oil away from the belt. I get an oil
film on the engine, but the belt and plastic covers are bone dry.

I've been replacing the idler every other time. Same with my MR2's.
If you check the idler at 60K, you'll notice a very slight amount of
play. New one's have zero. At 120K the play is significant, but
not enough to cause trouble yet.

As always, YMMV
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Old 06 Oct 2006, 12:49 pm   #5 (permalink)
Daniel
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Default Re: What seals are needed for T-belt change ?

johngdole@hotmail.com wrote:
> make sure you grease the seals properly before
> installing.

=======================
I found with the Toyota seals, the grease was already there.
So I now have a lifetime supply of red grease.

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Old 06 Oct 2006, 07:49 pm   #6 (permalink)
johngdole@hotmail.com
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Default Re: What seals are needed for T-belt change ?

I find the seals will start to show some seepage at 50-60K. Starting
with the cam seal. The crank seal will look prestine. But out it goes
at 60K for about $6. Not only will the oil come out of there, some
blow-by gas comes out too.


Kurt Krueger wrote:
> I'm probably living on borrowed time, but my '83 Camry is still running on
> all the original seals. And is on about it's 5th timing belt. One thing
> I've noticed is that the seals do seep slightly. But the design inside
> the timing cover channels the oil away from the belt. I get an oil
> film on the engine, but the belt and plastic covers are bone dry.
>
> I've been replacing the idler every other time. Same with my MR2's.
> If you check the idler at 60K, you'll notice a very slight amount of
> play. New one's have zero. At 120K the play is significant, but
> not enough to cause trouble yet.
>
> As always, YMMV


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Old 06 Oct 2006, 07:57 pm   #7 (permalink)
johngdole@hotmail.com
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Default Re: What seals are needed for T-belt change ?

Yes I know. These are regularly spaced silicone looking dabs on the
inside. Some of which may already be on the plastic bag when the
salesperson handed it to you. But FelPro seals are all I use except
what they don't make.

Everything the seal comes into contact with during installation should
have a thin grease coating, including the cam/crank shaft. I just use
sensor safe engine assembly grease because I have it.


Daniel wrote:
> johngdole@hotmail.com wrote:
> > make sure you grease the seals properly before
> > installing.

> =======================
> I found with the Toyota seals, the grease was already there.
> So I now have a lifetime supply of red grease.


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