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Access to the differential
Saab Saab Automobiles Discussions (alt.autos.saab)
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#1
 
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Access to the differential -
08-03-2003
, 06:53 PM
#2
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Help: I understand I'd have to remove the engine to get at the transmission on my '86 900. |
the engine in the car while dropping the tranny out the bottom, but it's
not a home-shop thing usually.
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Is that also necessary to get at just the differential? Since I need shocks also, can I access the differential by just droping the front drive train and pulling it out from the back (of the tranny)? |
Is this a pinion bearing noise problem, or something else?
Dave Hinz
#3
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I understand I'd have to remove the engine to get at the transmission on my '86 900. Is that also necessary to get at just the differential? Since I need shocks also, can I access the differential by just droping the front drive train and pulling it out from the back (of the tranny)? |
Removing the engine of a c900 isn't that bad a job, and once
you've uncoupled both driveshafts you're half way there anyway.
Think of all the other stuff you can easily do with the engine
out - clutch, crank seals, cv boots, engine mounts, coolant
flush, oh I could go on... Obviously only worth doing if you
intend to keep the car a while.
If you're going to pull the engine/tranny, don't forget to push
in the clutch and insert a spacer ring *before* disconnecting
the hydraulics.
--
Grunff
#4
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P K wrote: Can I wait until the symptoms change (to what?) or should I get it looked at right now? I think there's still may more years in it, but I am afraid if the engine is pulled that may open up more problems. Pinion bearings can whine for a loooong time before eventually coming apart. The problem is, you can never predict exactly when the end will come. |
parts when it comes unglued...right now, you just need bearings &
labor. Later, who knows what will get munched when chunks of bearing are
rattling around inside the case.
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So if you want to take the chance, you may get away with it for a couple of years. |
problem it is to get stuck. If you're going to keep the car for any
length of time, I'd say fix it now while you just need the cheap parts.
If it goes kaflooey on you, it could be more expensive to fix than
the car is then worth.
Dave Hinz
#5
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....or, a couple of miles. Depends, I suppose, on how much of a problem it is to get stuck. If you're going to keep the car for any length of time, I'd say fix it now while you just need the cheap parts. If it goes kaflooey on you, it could be more expensive to fix than the car is then worth. |
was well and truly gone. It was very loud indeed. He drove the
car like that for 25k miles, before one day it failed
catastrophically. He knew it was coming - it was kind of a game
for him.
--
Grunff
#6
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davehinz (AT) spamcop (DOT) net wrote: ....or, a couple of miles. Depends, I suppose, on how much of a problem it is to get stuck. If you're going to keep the car for any length of time, I'd say fix it now while you just need the cheap parts. If it goes kaflooey on you, it could be more expensive to fix than the car is then worth. Totally agree. I had a friend with an '81 900 where the pinion was well and truly gone. It was very loud indeed. He drove the car like that for 25k miles, before one day it failed catastrophically. He knew it was coming - it was kind of a game for him. |
I think I'll drive it for now, ( the noise just started,
and is very subtle) and take my chances. But I will be
well aware of what is to come ......
--Pakob
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