Posted: Wed Sep 12, 2007 5:46 pm Post subject: quick help regarding oil change
hey guys car noob here, normally take the car to workshop to get oil change this time started doing it myself.
long story short the big pan in front of the wheels where the oil is i left and i UNDID THE BOLT ON THE PAN IN THE CENTRE BEHIND THE FRONT WHEELS.
black oil came out and it looks exactly like engine oil. im not sure what it is and if anyone knows could they please tell me as i need to get fluid for it as there isnt any in it at the moment, only about 2 litres or so came out. i am hoping it is part of the main oil pan so i can relax.
thanks for any help in advance, kinda need the car for work tomorow
The sump in front of thes i wheels the engine oil , the one behind the front wheels is the auto transmission sump.
Pull the auto transmission dipstick out (from the engine bay, it is a yellow plastic handle next to the intake manifold), wipe it, put it back in and then withdraw it to check it's level, if it is very low or on empty then this will help confirm that you have dropped the auto transmission fluid instead of the engine oil.
Auto transmission fluid is generally more of a red-ish colour, unless it is very old/burnt, then it has a black-ish tinge to it (so it can look a bit like engine oil).
It is not a big deal if you have in fact dropped the transmission oil, it probably was due for a change anyway by the sounds of it. _________________
95 Dark Blue Series 2 Leather Goodness
Last freaked with by Mattis on Wed Sep 12, 2007 5:55 pm; freaked 1 time in total
is there only 2 litres of auto trans fluid? thought was around 7 litres, surely it wouldnt be that low? it was completely black oil, the pan just behind the front wheels in centre.
and just cos I am a nice guy I just went outside (it is bloody raining here in Perth atm too I might add ) and took some pics for you to help clarify further:
_________________
95 Dark Blue Series 2 Leather Goodness
Last freaked with by Mattis on Wed Sep 12, 2007 6:11 pm; freaked 1 time in total
transmission holds 12 litres. Tranny sump should hold 3-4 litres. The rest is stored in the cooler, tranny lines and the torque convertor. _________________
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Joined: 25 Apr 2007 Posts: 3441 Location: Melbourne Australia
Posted: Wed Sep 12, 2007 7:14 pm Post subject:
sbyder wrote:
Dazwaaah wrote:
nah no way 7L... normally 2-4L i believe...
good thing u did it if it was black
oh yeah this reminds me to do mine!!!
haha
transmission holds 12 litres. Tranny sump should hold 3-4 litres. The rest is stored in the cooler, tranny lines and the torque convertor.
That's what I was going to say. If I were you, I would do the following.
I would buy a buy a bottle of trans fluid, a couple of litres to replace what you dropped and get your car booked in to get a transmission service. As everyone has said, if it is black, it is about time it was changed. The way it is done is basically 'bled' through the system and flushed through during the process. If you haven't done this before or nobody has shown you, I would not recommend doing it yourself.
To top it up, you may need to buy a funnel as you fill the fluid usually via the dipstick using a funnel.
easiest way to flush the tranny fluid is to disconnect the return line from the tranny cooler (radiator) and run a line from the return line nipple, hehehe, nipple! anywho... into a bucket. Start car, after 10 seconds stop car. Replace old fluid with the same amount of new fluid filled up through the dipstick pipe. Repeat process until you've flushed 12 litres or the fluid is clean.
I use penrite Synthetic ATF. Heres my comparison of the different types of synthetic fluids. Only use synthetic if you have at least 250RWKW and/or a shift kit. Use stock toyota ATF otherwise.
Density at 15 degrees
Penrite = 0.855
Transmax Z = 0.836
Penzoil Syn= 0.878
Mobile Syn = N/A
Viscosity at 100 degrees
Penrite = 7.9
Transmax Z = 7.1
Penzoil Syn= 7.23
Mobile Syn = 7.6
Visocosity Index (lower the number the more it changes from thick to thin when the temp changes)
Penrite = 209
Transmax Z = 170
Penzoil Syn= 182
Mobile Syn = 199
Pour Point Degrees (the lowest temp it can pour in certain conditions)
Penrite = -48
Transmax Z = -60
Penzoil Syn= -57
Mobile Syn = -54
Penrite wins it, and its $20 cheaper per 4 litre bottle.
Transmax seems to be more stable at low temps, but Penrite is more stable through the temp changes.
EDIT: How to guide added _________________
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lol, well i bought 2 of everything a while back so i had a 4 litre of type 4 spare so i drained the few litres in it and replaced with new stuff, will be booking in for a transmission service within the week.
thanks for that, 99% chance saved me from a transmission replacement or rebuild down the track
Joined: 29 Nov 2009 Posts: 577 Location: Melbourne
Posted: Wed Jan 22, 2014 7:18 pm Post subject:
If you check the fluid level after the engine has been off for a long time, fluid from the torque converter will drain back into the pan area where the level is measured and give you a false high reading. When the engine is started, the fluid in the pan area is used to fully charge the transmission and torque converter. Also, the difference of fluid temperature will affect the measurement. The fluid volume expands when heated to operating temperature. _________________
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