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Gearbox oil change .

xj40 paul
Posts: 180
Joined: Fri Jun 12, 2015 8:20 pm
Location: Birmingham

Re: Gearbox oil change .

Postby xj40 paul » Sat May 19, 2018 8:38 pm

naki_k wrote:There’s a power flush machine that’s supposed to do a complete change, but you might need to find a specialist garage/ transmission specialist who has that machine available.
Pim details it in one if his threads.
But if you want to do the DIY route, then it’s as already detailed.

Hi Naki , do you have the tread for this as nothing seems to be coming up in the search box , thanks .
Paulus The Wood Gnome .
1988 Jaguar 3.6 .
2000 Range Rover P38 DSE daily driver .

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Re: Gearbox oil change .

Postby pimgmx » Sun May 20, 2018 1:12 pm

xj40 paul wrote:...do you have the tread for this...

Here it is...

Scroll down to halfway the page for some pics & details on gearbox flushing.

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Re: Gearbox oil change .

Postby Donkeychote » Wed May 30, 2018 11:37 am

I did the complete flush on mine when I just got it. I was lucky that a friend of my father has the machine, so that didn't cost me anything. The procedure does use a lot of oil though, if I remember correctly, it went through 16l or so before it was done.

Well worth it though, it was shifting a bit rough before, and is perfectly smooth now.
1988 3.6 Sovereign Talisman Silver Metallic

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Re: Gearbox oil change .

Postby NMV 1E » Wed May 30, 2018 2:34 pm

Or do several "conventional" changes, over a period of a few miles :?:
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Re: Gearbox oil change .

Postby katar83 » Thu May 31, 2018 7:41 am

A lot of Mercedes garages will have this machine(as gearboxes are crap), there is few as far as I know locally here in Cambs, a friend of mine had his done for ~£250 Inc oil recently.
1997, 4.0 LWB X300 - Unlucky car but still a daily driver.
1988, 3.6S XJS - Never ending restoration project.
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xj40 paul
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Location: Birmingham

Re: Gearbox oil change .

Postby xj40 paul » Sat Jun 16, 2018 9:01 pm

Ok lads & lasses , did the first oil change today & this is how I got on :-
I followed Brake busters thread & jacked up the car on the drivers side & put axel stands under it ,
then I got my brand new , white , Hippo container & cut it in half so it would fit under the car .

I then cleaned the surrounding area around the gearbox sump & took the drain plug out to extract
most of the oil & followed on by undoing the dipstick tube & letting it drain for an hour .

I refitted the dipstick tube & drain plug , lowered the car & put nearly 5 litres of oil back in the system .

Everything is working again but it hasn't made much difference to the drive or the harsh gear selection .

Here are some pictures of the old oil that came out :-
Pictures 1 & 2 show the very dark oil that came out of the gearbox .
Pictures 3 & 4 show some black blobs that are alike to congealed blood .
Pictures 5 & 6 show what I found in the bottom of the brand new , clean white container ( black , solid , hard
particles that would have eventualy caused blockage for sure .
If the next oil drain is clear after 500 miles , I will be doing a oil & filter change next .
Hope the pictures come out :? regards , Paul .
Paulus The Wood Gnome .
1988 Jaguar 3.6 .
2000 Range Rover P38 DSE daily driver .

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