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Old 09-24-2002, 02:11 PM
sunil190e-1.8's Avatar
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Join Date: Jun 2002
Location: uk
Posts: 236
diff oil change

my car has done 110,000 miles.
it is a 190e-1.8 litre,petrol automatic.i bought the car at 82,000 miles.
should i be changing the diff oil-only problem is a slight whine while coastng along when the foot is off the throttle. i cannot tell when the oil was last changed.
also what sort of oil should i use?
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Old 09-24-2002, 08:03 PM
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Join Date: Dec 2001
Posts: 565
Before you change it, crawl underneath and see what size drain plugs you have. Many use a 14mm allen. Be sure to first remove the refill plug which is higher up. If you were to remove the drain plug and then discover that the refill plug would not loosen(it happens), you'd have a problem.

The viscosity you choose should match your local climate. 80W-90 is sufficient for most situations.
I do not know your units capacity, but many are between 1.0 and 1.5 qts. You drain and refill until it starts to come out the drop so in my opinion it's a waste of time wondering whether it holds 1.1 or 1.3

Last edited by Mike Richards; 09-24-2002 at 09:16 PM.
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Old 09-24-2002, 08:50 PM
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Join Date: Feb 2002
Location: Canton, MI
Posts: 54
I heard that the fluid has to be Hypoid - and if you have a limited slip Diff that you need to buy fluid labeled "for limited slip differentials". I looked in my owners manual - no mension of a limited slip.

I plan on doing my diff also, still have not goten back to the T-stat, maybe next week.

Good luck.
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Old 09-25-2002, 09:31 AM
sunil190e-1.8's Avatar
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Join Date: Jun 2002
Location: uk
Posts: 236
thank you both for your most useful comments .
i will be changing the oil and keep you posted of the progress.
-agree the units are different-0.7 litres of hypoid gear oil ,sae90 or 85w/90 as per the info in my copy of the haynes manual
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