How do I check the oil level in my A442F transmission. My manual doesn’t cover this. On some trucks the engine should idle in P, but I’m uncertain on this one.
thanks in advance!
thanks in advance!
A442f
- Thread starter VX-R
- Start date
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Engine warm, say after 20 minutes of easy driving, level parking surface, truck in park and at idle.
Better to be a tad low than over.
g
+1
Oil should be hot to the touch. The A343 is very sensitive to overfilling and the A442 probably is as well. Only a pint (~1/2 L) of fluid from the add to full marks so go slow when adding fluid. The transmission takes longer to get up to temperature than the engine so judge by the trans fluid temp not the engine gauge.
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Agree with the statement about engine temp vx tranny temp.
Point I was trying to make; if you have been driving fast on a hot day
for a long period of time, and then immediately stop and check the
fluid level, it may appear to be overfull; this is true on A440F and A442 in my experience. It recommends in the manual to let the vehicle cool down if you have just driven at highway speeds,etc.
If you have an oil cooler on the tranny; the fluid may never
get hot to the touch on some models; the ATF in my 1996 FZJ-80 never gets hot; even at 80mph for hours at a time with outside air temps in the 80's.
Main point; do not overfill and check the ATF after the vehicle has been driven, but not after a long, hot, fast drive.
g
Agreed - I don't know about the A442 but the A343 in the 100 will not get hot. The cooling system is very effective.
- Thread starter
- #6
Thanks for the help guys!
Hm.... slight diversion here, sorry... but
NMUZj100, if your A343 in your 100 is not getting hot, how do you threat it under heavy loads or slow speeds (in low, I know, but otherwise?). Mine gets very hot if I
1. Run D/High (O/D off) uphills at 12-15% incline at less than 30 mph (mountain road with 180 degr turns)
2. Run D/Low (O/D off) at offroad terrain, rocks etc, at 2-7 mph
for longer periods...
I have convinced myself to use 2, or even go to Low in case-1, to spare the tranny. A standard A343 seems not to be very keen on locking up, so it develops a lot of heat ... Or am I off track on this?
I'm a little sensitive on this, as I have replaced a tranny said to have overheated, and I know the cost of that...
NMUZj100, if your A343 in your 100 is not getting hot, how do you threat it under heavy loads or slow speeds (in low, I know, but otherwise?). Mine gets very hot if I
1. Run D/High (O/D off) uphills at 12-15% incline at less than 30 mph (mountain road with 180 degr turns)
2. Run D/Low (O/D off) at offroad terrain, rocks etc, at 2-7 mph
for longer periods...
I have convinced myself to use 2, or even go to Low in case-1, to spare the tranny. A standard A343 seems not to be very keen on locking up, so it develops a lot of heat ... Or am I off track on this?
I'm a little sensitive on this, as I have replaced a tranny said to have overheated, and I know the cost of that...
- Thread starter
- #8
Unrelated to this discussion, is it possible that I have seen you Hec4x4, cruising around Charlottenlund. I have been meaning to write you to get the details on your suspension. My truck has some of the hardware you have on yours and my AHC can’t cope with it.
Yes, The 100 can develop transmission heat in some operating conditions but has a very good cooling system. It you are scorching the fluid even in the demanding situations you listed I would carefully check the condition of your system because your complaint of an overheating A343 is the first I've seen on the board.
But when you want to measure the level accurately it can be frustrating to take the time to get it up to operating temp. I do have a good mountain handy close to my garage so maybe I should be doing a nice run up it in low rather than trying the interstate to warm up.
I use Amsoil Full Synthetic ATF for the extra heat resistance and improved cold weather performance (important because of the great cooling system).
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vx-r: be welcome to make a contact... henrik.christensen and-this-sign-you-know dk2net.dk, then I can send you a phone number. My AHC has no load problems anymore (smiling)ans
i
nmuzj100: thanks. I take it that you suggest mine is overfilled.. i'll double-check when cold...
i
nmuzj100: thanks. I take it that you suggest mine is overfilled.. i'll double-check when cold...
No - I edited my post above to make it clearer.
If the transmission is not locking up well then it could be overfilled but it would be obvious when the fluid is very hot so I doubt your's is overfilled. The problem comes when someone checks the level cold and then fills it. Later when the fluid gets very hot it expands about the fill point and causes problems.
Some more info about your truck would be helpful. Year and transmission ?
After checking the level I would replace all the fluid with new good quality fluid. It is possible that it was serviced with the improper fluid or had an additive put in it that could be causing the problem. Shops often use improper bulk fluids, add unnecessary additives or use filtered used fluid to service vehicles.
Agreed;
many shops use cheap bulk fluids, or cheap out of a bottle.
Find a shop that will let you bring in your own fluid if they don't have what you want.
After an overheat, the ATF should be changed asap (IMHO) as it will be chemically altered and lose it's effectiveness, etc.
g
Hi VX-R,
I managed to get the below information. Hope it helps
I managed to get the below information. Hope it helps
