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Old 08-19-2011, 05:17 AM   #1
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987 Manual Gear Oil Change

Kind of along the same lines as my coolant question. Have any 987 owners done a manual gear oil change yet?

I am thinking about doing this a little early. After 5.5 years and about 45,000 miles I may do this prior to winter hibernation, this fall.

If I have this done, I'll only use Porsche fluid. We can buy from Sunset for about $25/quart. How many quarts are required?

What say you 987 owners about doing this service early?

Thanks.

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Old 08-19-2011, 06:25 AM   #2
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Do it. 5 speed holds 2.4 quarts, the 6 speed holds 3 quarts.
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Old 08-20-2011, 09:07 AM   #3
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If $75 irks you at all, there’s a company(s) that provides gear oil for racing Porches and teams (if not “the” team). They also have gear oil more than suitable for the street at a much better price. I think it’s also got Porsche's O.K

It’s been awhile since I messed with it so you’ll have to do a little Googling to find it (them) but worth checking out.

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Old 08-20-2011, 10:24 AM   #4
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I’d also suggest “Google-ing” a recent post on this site where a regular poster switched back to Porsche’s “high priced” but unique gear oil after encountering shifting issues (a common result) with some of these “other gear oils for racing Porsches”…………..
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Old 08-24-2011, 06:14 AM   #5
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How much time should this take a skilled indy shop? Thanks.
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Old 08-24-2011, 07:18 AM   #6
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Has anyone added any Slick 50 Man Trans to their car? I've used it in other cars I have without issue.
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Old 08-24-2011, 12:21 PM   #7
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Quote:
Originally Posted by peterbrown77
Has anyone added any Slick 50 Man Trans to their car? I've used it in other cars I have without issue.
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Old 08-26-2011, 06:18 AM   #8
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Not a very edifying reply, Flav.....
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Old 08-26-2011, 02:31 PM   #9
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Quote:
Originally Posted by Flavor 987S
How much time should this take a skilled indy shop? Thanks.
Not very long.

Never having done it before on this car, only two things slowed me down. One, the DIY guide I was using kind of misled me on where the fill plug was. Going by the DIY, I was searching in the wrong place for a plug that wasn't there. The second? Waiting for the gear oil to glug-glug-glug down the tubing. I filled it from the top, with a funnel and tubing arrangement. The sluff moved pretty slowly through the tubing. It might speed things up a bit to put the quart containers into a shallow container filled with hot water, to lessen the viscosity.

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