Question about 2000 Mitsubishi Diamante
1- The transmission was overhauled because it was no engaging in D. R and L gears were working.
2- Changed oil, filter, all rings and clutches
3- Re-installit, but now is not engaging on any of the gears (D,R L)
4- Noticed thjat when car is off the oil levelis low and when the car is on the oil level is way too high. This is the opposite of my other two cars transmission which are OK.
5- What may be wrong?
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Posted on Jan 02, 2017
dose the car have a o/d button
if so it sounds like the end clutch has died in the auto and you will need to go to a auto specialist.
check you auto oil level first and go from there
Posted on Dec 20, 2008
Depending on how Cold it is where you are, The cold will effect the Operation of the Tranny. I am pretty sure that your Tranny is Fine, Just Really Cold. Depending also on where you live, I use Valvoline Quick Change to service my Vehicles when I am on the Road. Have never had a Problem with them. On the Fluid, They make so many Different Kinds now adays that it is hard to Choose. Look in the Back of your Owners Manual and Use what is Suggested in there.
Posted on Jan 25, 2009
Your link broke off. What might have happened is the car got stuck in 1st, and when you shifted to second, the link broke. Not too clued up on your car, but you probably need to drop the gearbox. On some cars you can take out the shifter without having to drop the box and still see if the link is broken. Good luck
Posted on Mar 18, 2009
you need to get a new transmission control module, i had the same problem when i bought my 92 from the auction, i wouldn't shift from 1st to 2nd, so i found a rebuilt unit on the internet and it corrected the problem, you also might want to remove the excess tranny fluid that every one put's in when they have a tranny problem.
Posted on Jun 08, 2009
Definitely, there's a problem with your transmission. You are right, it is overheating. It is
caused by worn out part inside your transmission.
Have it checked by a qualified mechanic.
Posted on Sep 21, 2009
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Sep 05, 2016 | Mitsubishi Cars & Trucks
1-2 Shift Solenoid Valve
3-4 Shift Valve Bore Plug
Burned, slipping, missing
4th Servo Cover
4th Servo Pin
4th Servo Piston
4th Servo Seals
Rolled, cut or damaged
Slipping or No Fourth Gear
Slipping or No Fourth Gear Checks
DEFINITION: A large engine RPM increase is noted in fourth gear, Drive range, with little or no vehicle forward speed increase. First, second, and third gear operation are normal. Shifts into fourth gear are soft or do not occur. Fourth gear ratio is 0.705:1.
Automatic Transmission Fluid Level
Low fluid level
Transmission Main Line Pressure
Low transmission main line pressure
Oil Filter Assembly
• The oil filter assembly (100) is missing, plugged, or damaged.
• The oil filter seal assembly (101) is missing or is damaged.
Control Valve Body Assembly
• The 3-4 shift valve (362) or the 4-3 manual downshift valve (360) is stuck or binding.
• Debris is found in the passages of the control valve body (301) or of the control valve body spacer plate and gasket assembly (396)
Case Cover Assembly
Distortion or damage occurs at the manual valve (404) or at the case cover (401), causing PRN oil leak.
Driven Sprocket Support Assembly
A plugged third clutch oil passage in the driven sprocket support assembly (609)
Fourth Clutch Assembly
• The clutch plates (500-502) are worn, damaged, or misassembled.
• A missing or not seated fourth clutch spring retaining ring (601)
• A damaged spring assembly (602) or piston (603)
• Worn or damaged fourth clutch piston seals (604, 605)
Third Clutch Sprag Assembly
• The sprag (720) was misassembled or backwards on the inner race (661).
• A damaged third clutch sprag assembly (653, 661, 719-721)
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