SOURCE: Hi, I have a 1998 Chevy 3/4 ton 4x4, automatic
Yes, you are correct. i would change the filter as well. check the torque converter for stress.
SOURCE: Car is shifting hard into
Been there, Done that!!! Bought a 2000 bonneville used..once the car warms up it starts shifting rough and down shifting rough. I drove it all the way to work and it ran like a champ till i started start, stop drivin in the street and the tranny warmed up. I retured it to the dealer and it is a solenoid in the tranny that pumps the fluid to detect the shift pattern. that is what they fed me anyways. they fixed it for free. it wasnt too cheap..i got the slip and it was around 1300 dollars. im no car expert by far but this is what happened to me! hope it gives you an idea
SOURCE: when i shift into third the gears grind.. why?
sounds like the syncromesh has gone in the gearbox. If you dont want them to grind, you,ll have to double declutch. I f you cant do this, get a new gearbox.
SOURCE: Subaru legacy 4eat issue...
Check that the Duty Solenoid B is good. Diagnostic may indicate a code 12. Easy to replace. Solenoid is on valve body next to filter. Must drop pan and should be right there. Call Subaru dealer with your VIN number and they can verify. Price is about $150 to purchase over dealer parts counter.
SOURCE: 1998 vw beetle automatic transmission hard shifts
There is an electrical malfunction in the EV5 solenoid electrical circuit. You must go to Advance Auto or Autozone and borrow their scan tool and get the code.
Checks
Causes
1-2 Shift Solenoid Valve
?€¢
Inoperative
?€¢
Debris
?€¢
Pinched wires
3-4 Shift Valve Bore Plug
Misassembled
4th Band
Burned, slipping, missing
4th Servo Cover
Cracked
4th Servo Pin
Broken, seized
4th Servo Piston
Damaged
4th Servo Seals
Rolled, cut or damaged
4T65-E
Slipping or No Fourth Gear
Slipping or No Fourth Gear Checks
Cause
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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