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Author f15 gearbox oil?
csweatherston
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Registered: 16th Jan 06
Location: Devon
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26th Nov 06 at 04:28   View User's Profile U2U Member Reply With Quote
drained my box the ther day.....and looks like ATF (dextron 2) came out....although the autodata boox says it takes 80/90...

i put 1.5 ltrs of atf in there and now i havea whine ...

ideas please?
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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26th Nov 06 at 08:29   View User's Profile U2U Member Reply With Quote
why on earth did you put ATF in :/

drain, flush a bit with gear oil, drain, fill up to leval with RECOMENDED gear oil
Dave A
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Registered: 10th Dec 03
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26th Nov 06 at 10:04   View User's Profile U2U Member Reply With Quote
dextron 2 is what you put in the power steering isnt it?
AK
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26th Nov 06 at 10:21   View User's Profile U2U Member Reply With Quote
dextron is just the rating isnt it?

I know i use Dextron III ATF in the RR, but Dextron rates PS fluid too doesnt it. I.e PS fluid and ATF are very similar!

I think Dextron II is superseeded by III
Dave A
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26th Nov 06 at 10:28   View User's Profile U2U Member Reply With Quote
yes, dextron2 is atf fluid. used in vauxhall power steering systems.

an engine a mate bought a while back had this in the gearbox, still works fine now. any oil will work in a gearbox really, when I worked at ford they used to fill the gearboxes with engine oil when we ran out of gearbox oil.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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26th Nov 06 at 10:30   View User's Profile U2U Member Reply With Quote
the weight is a bit different though 85w90 compared to say 10w30

mmm.... nice
AK
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26th Nov 06 at 10:31   View User's Profile U2U Member Reply With Quote
and its dexron isnt it?
AK
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26th Nov 06 at 10:32   View User's Profile U2U Member Reply With Quote
Dextron III has a higher heat capacity than Dextron II
Dave A
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26th Nov 06 at 10:35   View User's Profile U2U Member Reply With Quote
I always just replace with what autodata reccomends. never had a problem.
AK
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Location: Aberdeen City
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26th Nov 06 at 10:37   View User's Profile U2U Member Reply With Quote
yup.... so back to the topic

Use gear oil rather than ATF
Dave A
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Registered: 10th Dec 03
Location: County Durham
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26th Nov 06 at 10:40   View User's Profile U2U Member Reply With Quote
yes. I agree. and dont get a service at ford
csweatherston
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Registered: 16th Jan 06
Location: Devon
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26th Nov 06 at 12:22   View User's Profile U2U Member Reply With Quote
80/90 is a yellowy white colour tho yeh?......the stuff i drianed out was red
AK
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26th Nov 06 at 14:30   View User's Profile U2U Member Reply With Quote
yes.... colour doesnt mean good/bad

Dont go by colour. Go by what the box is supposed/designed to run with.

You do get red gear oil (Redline shockproof heavy i think for instance)

80/90 reflects the oil properties, nothing to do with its overall colour.
csweatherston
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Location: Devon
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26th Nov 06 at 18:52   View User's Profile U2U Member Reply With Quote
hmmm...ok well, i drain the oil 2day
and refilled with 80/90...still no change....

decided the diffs fuked

any ideas?...

whats thicker than 80/90?

(im not gona try the sawdust approach either)
Warren G
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Registered: 14th May 06
Location: Kent
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26th Nov 06 at 18:56   View User's Profile U2U Member Reply With Quote
your surpost to put the oil in until it starts to overflow out of the bung

thats the correct way!
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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26th Nov 06 at 19:03   View User's Profile U2U Member Reply With Quote
And they take more than 1.5L from empty.

I chucked 2L in mine(i can't remove my level plug as its rounded off,lol)

Proper Vauxhall Gearbox oil is red, Dextron III.

The stuff i used was just normal 80/90w gear oil, yellow colour, Stinks,lol.
csweatherston
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Location: Devon
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26th Nov 06 at 19:13   View User's Profile U2U Member Reply With Quote
mine wasnt completely empty to start......i filled it up till it came out the level bung, which was just over 1.5 ltr

ANYWAY! diffs fucked. ideas?
Warren G
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26th Nov 06 at 19:20   View User's Profile U2U Member Reply With Quote
new box?
csweatherston
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Registered: 16th Jan 06
Location: Devon
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26th Nov 06 at 19:25   View User's Profile U2U Member Reply With Quote
hmm....i made a new thread just incase...but a new box is a tap too expensive at the mo
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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26th Nov 06 at 19:26   View Garage View User's Profile U2U Member Reply With Quote
new diff?

filling it with thicker oil will not solve the problem.

new box will cost you about £50 at the most.
csweatherston
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Registered: 16th Jan 06
Location: Devon
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26th Nov 06 at 19:29   View User's Profile U2U Member Reply With Quote
brand new??...or is that 2nd hand 'new'?
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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26th Nov 06 at 19:32   View User's Profile U2U Member Reply With Quote
2nd hand new.

I got my F15 for £15.

Was it whining before the oil change?
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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26th Nov 06 at 19:33   View User's Profile U2U Member Reply With Quote
http://www.corsasport.co.uk/board/viewthread.php?tid=248227
csweatherston
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Location: Devon
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26th Nov 06 at 19:55   View User's Profile U2U Member Reply With Quote
nope it wasnt whining robin ..

i think ill try a trasmission additive tomorrow, as its less ballache than changing the box
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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26th Nov 06 at 20:00   View User's Profile U2U Member Reply With Quote
If it wasn't whining before the oil change and it was straight after, then i'd say it wasn't the diff bearings...

Try chucking another 0.5L of oil in, might quieten it down.

You can't really overfill it anyway, as it will vent out the breather if its overfilled.

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