Engine/Transmission (1998.5 - 2002) Hot Automatic transmission Temps ... bigger pan?

[DImberi]

My last trip out I was towing a 10,000 lb 5th Wheel around some curvy mountain roads, you know the kind that make you slow way down to get around a turn and then make you climb a steep grade starting at about 20 mph. I was watching my automatic trans temp all the way ... 170, 180, 190, 200, 210, 220. Towing straight grades is not a problem since you can build up your speed. I'm thinking about either getting my torque converter and valve body beefed up or going with a double deep transmission pan like Mag Hytec makes, which let you add 2 more quarts of fluid... . That doesn't seem like much more.

Anyone out there see a big drop in transmission temps using a higher capacity pan?

 

[ScottLewis]

Where is your temp. probe? Are you measuring it as it leaves the converter? My take is that with a larger pan, it takes longer for all the fluid to get heated up. Conversely, it takes longer for it to cool down. Slipping of the T/C during those slow speed accelerations is what's heating up the transmission. Keeping it locked by manually shifting to lower gears can help. A beefed up, multiple clutch T/C and improved valve body might be a good idea if your wallet can stand it



Dan

 

[KLockliear]

The double deep Mag pan is +4 qts over stock. If you are measuring in the pan, 210*F is the pull over limit. 250*F if you are measuring in the hot side cooler line.

 

[DImberi]

My temperature probe is tied to the dipstick.

 

[klaybus]

My temperature probe is tied to the dipstick.

Buy a "Hot Line" from your local DC dealer. Then you will have the most accurate information on yoour temps. I know well what your experiencing. I installed Bob V's 2 low kit. It's made for manuevering in reverse but in heavy traffic on the interstate where your barely crawling & seeing temp spikes it also helps. An aftermarket VB & Lockup device will give you the ability to achieve 2nd gear lockup as well.



Clay

 

[Allnew2Me]

The double deep pan from Mag is only 2 qts. over on our years due to DC making the stock pan larger.

 

[SnoKing]

My last trip out I was towing a 10,000 lb 5th Wheel around some curvy mountain roads, you know the kind that make you slow way down to get around a turn and then make you climb a steep grade starting at about 20 mph. I was watching my automatic trans temp all the way ... 170, 180, 190, 200, 210, 220. Towing straight grades is not a problem since you can build up your speed. I'm thinking about either getting my torque converter and valve body beefed up or going with a double deep transmission pan like Mag Hytec makes, which let you add 2 more quarts of fluid... . That doesn't seem like much more.

Anyone out there see a big drop in transmission temps using a higher capacity pan?

220 in the pan is neardeath for the transmission. Change the fluid. With my DTT transmission and smart controller, I can lock the TC in second gear for this type of use. I am also going to install a two low kit when I return from this trip. SNOKING

 

[bmoeller]

Better oil flow and a tighter t/c sure helps. Being able to lock up second on a long hard pull is great. Keeps the temps down.

 

[SAndreasen]

i am seeing as high as 225 on my probe thats atached to the line i had it in the pan before but my transmission bulider said that this was the more accurate location, i hate because i have no idea how hot is to hot because the warning light in the dash comes on at around 225 but with this new probe location my gauge has gotten up to 240 and still the light in the dash didnt come on so i guess my question is how hot is to hot on my gauge with the probe mounted to the line ? and what operating range should i look for i have no idea?