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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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flushing 850 gearbox with Dextron IIViews : 749 Replies : 5Users Viewing This Thread : |
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Jan 18th, 2010, 23:55 | #1 |
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flushing 850 gearbox with Dextron II
As I've been given two gallons of new Dextron II ATF fluid Ive decided that I will use it to flush my gearbox as it's in dire need. Does anyone see any issues I will get ? Once the flushing is done I will be refilling with Dextron III also a small flush to rid most of the Dextron II
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Previous Volvos:850 GLT 2.5 20V Auto Saloon Silver. 1997 850 T-5 Auto Estate Nautic Blue Chipped ECU, V70 TCV, Carbon Cased Filter, 17inch alloys, Rattling Engine masking the suspension rattles. Engine doesn't rattle anymore |
Jan 19th, 2010, 07:58 | #2 |
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The question is does your gearbox really need a flush ? Perhaps if it's done 200k miles and never been changed but generally I think the filter should be holding most of the crud and the magnet a bit more of it.
Personally I'd drop the sump and clean it, renew the filter, new gasket and stick it back together with approved fluid. I can't say whether the Dexron II will harm the gearbox or not but is it worth the risk ? |
Jan 19th, 2010, 08:31 | #3 |
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flush
it really needs a flush the fluid is going brown. I wont be using the Dexron II simply flushing the box through seems a waste just to ditch 2 gallons the spend extra on III ill see if anyone with a 740 could use it
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Previous Volvos:850 GLT 2.5 20V Auto Saloon Silver. 1997 850 T-5 Auto Estate Nautic Blue Chipped ECU, V70 TCV, Carbon Cased Filter, 17inch alloys, Rattling Engine masking the suspension rattles. Engine doesn't rattle anymore |
Jan 19th, 2010, 09:07 | #4 |
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dexron11 dexron111
Hi there 3 is just a supercession of Dexron2, there are both suitable
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HLM304, Forge unos 17.5psi at 3.8 bar, 18t, Me7 Manifold, Blues, Walbro, De-cat, Ported n Polished Head, 3" Dp stainlesss exhaust, Carbon Air intake, Polly Bushed thoughout. |
Jan 19th, 2010, 09:10 | #5 |
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dexron II
Even though the Gearbox specs require Dexron IIE you think Dexron II would still do the job?
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Previous Volvos:850 GLT 2.5 20V Auto Saloon Silver. 1997 850 T-5 Auto Estate Nautic Blue Chipped ECU, V70 TCV, Carbon Cased Filter, 17inch alloys, Rattling Engine masking the suspension rattles. Engine doesn't rattle anymore |
Jan 21st, 2010, 09:55 | #6 |
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