Check That Differential!

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Old 04 Oct 2005, 01:00 pm   #1 (permalink)
Allan
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Default Check That Differential!

A while back, there was a posting about a 4 cylinder Camry where the
differential seized up requiring an $ 1800 repair bill. Diagnosis was that
it ran low or dry because of fluid leaking past a seal into the
transmission.

I believe I have just verified that this does happen. My 4 cyl. "99 Camry
had the transmission fluid drained and refilled by the dealer at 24,000
kilometers and 48,000 kilometers and both times I was told that the
differential did not require service yet. ( Canada is classified as
"severe service but we're on the mild West Coast). At 72,000, I decided to
do the transmission myself, mainly because the transmission was reading
overful and I put this down to careless dealer work. I refilled with about
0.5 liters less than I took out and the level then read correctly. Like
the dealer, I didn't do the differential.

Now, at 96,000 its time again and, once again, the transmission is reading
overfull. Checked the differential first, can't feel fluid through the
Check/Fill Plug, have to add 0.7 liters (about 45% of capacity) to top it
up. This, I'm sure will be about the same amount the transmission is
overfull!

No leaks on the ground, and no coolant loss.

I imagine replacing this seal would be pricey, so I intend to drain and
refill transmission AND differential every 24,000 kilometers. This us what
the Severe Service schedule calls for, but I had no idea it was needed to
ensure
that your transmission doesn't overfill and your differential run dry!

Owners beware , if you or your dealer skip checking that differential!

By the way, I had skipped it before because I don't like getting that far
under the car to try and loosen the Differential filler plug.
Found though, that the filler plug is a bit tight but easy to get at from
above, using a breakerbar and socket; also refilling from above.

Allan
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Old 05 Oct 2005, 12:41 am   #2 (permalink)
Sharx35
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Default Re: Check That Differential!


"Allan" <crazy@axion.net> wrote in message
news:crazy-0410051900060001@204.244.233.125...
>A while back, there was a posting about a 4 cylinder Camry where the
> differential seized up requiring an $ 1800 repair bill. Diagnosis was that
> it ran low or dry because of fluid leaking past a seal into the
> transmission.
>
> I believe I have just verified that this does happen. My 4 cyl. "99 Camry
> had the transmission fluid drained and refilled by the dealer at 24,000
> kilometers and 48,000 kilometers and both times I was told that the
> differential did not require service yet. ( Canada is classified as
> "severe service but we're on the mild West Coast). At 72,000, I decided to
> do the transmission myself, mainly because the transmission was reading
> overful and I put this down to careless dealer work. I refilled with about
> 0.5 liters less than I took out and the level then read correctly. Like
> the dealer, I didn't do the differential.
>
> Now, at 96,000 its time again and, once again, the transmission is reading
> overfull. Checked the differential first, can't feel fluid through the
> Check/Fill Plug, have to add 0.7 liters (about 45% of capacity) to top it
> up. This, I'm sure will be about the same amount the transmission is
> overfull!
>
> No leaks on the ground, and no coolant loss.
>
> I imagine replacing this seal would be pricey, so I intend to drain and
> refill transmission AND differential every 24,000 kilometers. This us what
> the Severe Service schedule calls for, but I had no idea it was needed to
> ensure
> that your transmission doesn't overfill and your differential run dry!
>
> Owners beware , if you or your dealer skip checking that differential!
>
> By the way, I had skipped it before because I don't like getting that far
> under the car to try and loosen the Differential filler plug.
> Found though, that the filler plug is a bit tight but easy to get at from
> above, using a breakerbar and socket; also refilling from above.
>
> Allan


However, in the SIX cylinder 99 Camry, is the differential filled separately
from the transmission? I have been told, previously, that it is only the 4
cyl. 99 Camrys that have the differential fill separate from the
transmission. What about separate drain plugs in both the 4 and 6? Or is
their just one in the Six?


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Old 05 Oct 2005, 12:50 pm   #3 (permalink)
Jason James
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Default Re: Check That Differential!


"Allan" <crazy@axion.net> wrote in message
news:crazy-0410051900060001@204.244.233.125...
> A while back, there was a posting about a 4 cylinder Camry where the
> differential seized up requiring an $ 1800 repair bill. Diagnosis was that
> it ran low or dry because of fluid leaking past a seal into the
> transmission.
>
> I believe I have just verified that this does happen. My 4 cyl. "99 Camry
> had the transmission fluid drained and refilled by the dealer at 24,000
> kilometers and 48,000 kilometers and both times I was told that the
> differential did not require service yet. ( Canada is classified as
> "severe service but we're on the mild West Coast). At 72,000, I decided to
> do the transmission myself, mainly because the transmission was reading
> overful and I put this down to careless dealer work. I refilled with about
> 0.5 liters less than I took out and the level then read correctly. Like
> the dealer, I didn't do the differential.
>
> Now, at 96,000 its time again and, once again, the transmission is reading
> overfull. Checked the differential first, can't feel fluid through the
> Check/Fill Plug, have to add 0.7 liters (about 45% of capacity) to top it
> up. This, I'm sure will be about the same amount the transmission is
> overfull!
>
> No leaks on the ground, and no coolant loss.
>
> I imagine replacing this seal would be pricey, so I intend to drain and
> refill transmission AND differential every 24,000 kilometers. This us what
> the Severe Service schedule calls for, but I had no idea it was needed to
> ensure
> that your transmission doesn't overfill and your differential run dry!
>
> Owners beware , if you or your dealer skip checking that differential!
>
> By the way, I had skipped it before because I don't like getting that far
> under the car to try and loosen the Differential filler plug.
> Found though, that the filler plug is a bit tight but easy to get at from
> above, using a breakerbar and socket; also refilling from above.
>
> Allan


Allan, just to be sure what you think is happening,...is actually
occuring,..check the differential level. It will be worth the effort. I just
measured how much oil was needed to top the diff up,...or drain it and
measure how much came out.

Jason


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Old 06 Oct 2005, 01:55 am   #4 (permalink)
hbuck
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Default Re: Check That Differential!

>by "Sharx35" <sharx35@hotmail.com> Oct 5, 2005 at 05:41 AM

>However, in the SIX cylinder 99 Camry, is the differential filled
>separately
>from the transmission? I have been told, previously, that it is only the

4

>cyl. 99 Camrys that have the differential fill separate from the
>transmission. What about separate drain plugs in both the 4 and 6? Or is


>their just one in the Six?



Haynes 97-01 Camry Manual shows all of these models, 4 and 6 cyls', having
seperate differentials with seperate fill and drain plugs.

99 and later Lexus ES300 do not.



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Old 31 Oct 2005, 06:03 pm   #5 (permalink)
Hopkins
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Default Re: Check That Differential!

>>>However, in the SIX cylinder 99 Camry, is the differential filled separately
from the transmission? I have been told, previously, that it is only
the 4
cyl. 99 Camrys that have the differential fill separate from the
transmission. What about separate drain plugs in both the 4 and 6? Or
is
their just one in the Six? <<<

I've found that there's no sense in it. My '93 V6 has separate drains,
but the guy who did the work owns a '93 v4 with just one drain.

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