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PostPosted: Sat Feb 02, 2019 8:59 pm 
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Joined: Sun Nov 02, 2014 10:32 am
Posts: 400
Location: Central Queensland
I am going to fit a transmission oil cooler and want to add a calibrate amount of fluid equal to the volume of the cooler, lines and any that spill.
I believe my Dmax 2015 has a 24 mm hex head fill plug on the LH side but I'm yet to confirm that is correct.
My question is, is the fill plug above the transmission fluid when the engine is stopped and cold?


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PostPosted: Sun Feb 03, 2019 6:02 am 
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Joined: Sat Oct 12, 2013 5:36 pm
Posts: 1478
meggs
Have you worked out the internal volume of cooler and lines. This has been mentioned before and was around 160 ml from memory.
The filler is above the fluid level because that isn't a filler indicator.
The rearmost pan plug is the level indicator, which when removed after warming the trans to at least 50c will drain excess out of the hole.


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PostPosted: Sun Feb 03, 2019 6:47 am 
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Joined: Sun Nov 02, 2014 10:32 am
Posts: 400
Location: Central Queensland
Yes I have I did it by filing the cooler and lines with shellite then poured it into a measuring cup as the volume depends on the cooler size. The only question mark is how much I will lose when I break the lines so I will be catching all of that in a cheap Bunnings paint roller tray and measuring it as well.

I have made the bracket and need to drill and bush some holes in the flexible skirt that is under the radiator (I have no idea of its function but pic attached). I had to order a 1l bottle of 3309 fluid on line as I cannot get it where I live in such small quantities.

When I get the fluid I will fit the cooler as I have the use of a pit which makes it easier and it will allow me to see the condition of the fluid as I have done 56K with half of it towing a 2.5T van but I have never let the transmission temp go over 90 deg however on hill climbing it has got up to 98 deg for a short time. If it needs changing it will take it to a transmission specialist and carefully question them on how they change the fluid as I was a full flush not by the dilution method. I'm sure i could do the flush but with some things sometimes it is cheaper in the long run to take it somewhere else.


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PostPosted: Sun Feb 03, 2019 7:18 am 
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Joined: Tue Oct 15, 2013 7:54 pm
Posts: 1961
Location: Darling Downs. Qld
This may help.

The plug with the allen head is the level check plug. Need to get the auto to the correct temperature between 47 and 53.

Tink


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PostPosted: Sun Feb 03, 2019 7:26 am 
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Joined: Sun Nov 02, 2014 10:32 am
Posts: 400
Location: Central Queensland
Tink I am not sure what those symbols mean.

What I am trying to find out is if I take the auto transmission fill plug out when everything is cold and the engine is stopped can I add fluid or will I have to start the engine to lower the fluid level. All I want to do is add oil to compensate to the volume of the cooler.

I understand procedure to check the level.


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PostPosted: Sun Feb 03, 2019 8:13 am 
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Joined: Sat Oct 12, 2013 5:36 pm
Posts: 1478
meggs
You have to love international symbols which are unambiguous, don't we.

The top LH symbol shows the filler location, not for you if yours is 4wd.
The top RH symbol shows the location of the of the filler plug on a 4wd unit.
The lower one has two symbols.
One shows drops of oil to a pan which is the drain plug. No secret there!
The other one shows a level tube and symbol of fluid level, which is rearward of the other drain plug.

It means when that plug is removed, tink said it is an allen hex, the wall sides as indicated in the picture holds a level above a certain point in the trans. Only when the plug is remove after getting it to 50c and the fluid level is correct or slightly overfull will the fluid run out.


So, in the absence of refilling with the correct amount of additional fluid, would you need to remove the rearmost plug at 50 c to check if the fluid just began to run out after the addition of any fluid. If it does, it is correct level.

As most people would do, loosen the filler plug and unscrew it. When nearing the plug fully out, any fluid level will try to run out and you will instantly know.

However, the filler plug is WAY way higher than the pan which holds the fluid and the fluid will not be right up around the drive shaft area, so the filler would be above any fluid level.


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PostPosted: Sun Feb 03, 2019 10:29 am 
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Joined: Sun Nov 02, 2014 10:32 am
Posts: 400
Location: Central Queensland
Thanks all I'll let you know how I go.


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PostPosted: Fri Feb 08, 2019 4:10 pm 
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Joined: Sun Nov 02, 2014 10:32 am
Posts: 400
Location: Central Queensland
I said i would be back. Fitted the cooler today and checked the fluid level I overfilled it by 100Ml so I would be certain I never had to refill it when I was checking the level..
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Bracket
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Filler bottle
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Filler plug. The oil is way below the filler plug and when I broke the lines there was only a few drops that came out
More next post


Last edited by meggs on Fri Feb 08, 2019 4:21 pm, edited 1 time in total.

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PostPosted: Fri Feb 08, 2019 4:13 pm 
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Joined: Sun Nov 02, 2014 10:32 am
Posts: 400
Location: Central Queensland
Attachment:
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Pipe fitting
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Fitting and hoses installed

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Fittings and hoses from another angle


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PostPosted: Fri Feb 08, 2019 4:19 pm 
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Joined: Sun Nov 02, 2014 10:32 am
Posts: 400
Location: Central Queensland
Attachment:
Protection.jpg
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Hose protection

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Hose protection


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The best till last, I never expected to see this after 56,000klm with about 2/3 towing a 2.5T van and I am a cautions driver and have always been watching the oil temp.
A bit more work to be done here.


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