Question about 2004 Mazda 6

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My automatic transmission is sticking from third to fourth gear

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  • 228 Answers

Is this an overdrive trans or a lockup converter type trans?
FIRST CHECK FUSES.

Posted on Sep 11, 2010

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Posted on Jan 02, 2017

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lsteward68
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SOURCE: automatic transmission

have you had the filter in thepan changed and oil changed in the tranny?

Posted on Jul 06, 2009

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My 2005 Pontiac Bonneville GXP will not shift into 4th gear I was to it was a fourth gear band but is that the only problem that will cause itI'notto shift into 4th gear


Which transmission does yours have 4T65-E or 4T80-E ?

4T80-E
No Fourth Gear

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)

Dec 06, 2015 | Pontiac Cars & Trucks

1 Answer

Electronic pressure control solenoid circuit p1745. Check engine light on 2000 ford escort, 4cl, automatic. Advance auto told me it was a dealer part but I can't find it on any of the ford websites?...


Here is what the service manual says about the EPC solenoid, the processor looks at allot of different inputs to command the solenoids, such as Throttle Position Sensor, Vehicle Speed Sensors, Transmission Range Sensor and RPM signal, The PCM controls the shift patterns for the transmission. Electronic Pressure Control (EPC) Solenoid
The electronic pressure control (EPC) solenoid is located on the main control valve body and is controlled by the PCM. The EPC controls line pressure used to apply and release clutches and bands in the transmission.
The 2-3 shift solenoid is located on the main control valve body and is switched on and off by electrical signals from the PCM. The 2-3 shift solenoid activates the 2-3 shift valve which controls the automatic shifting between second and third gear. Second gear is established when the 2-3 shift solenoid is switched on. The 2-3 shift solenoid is switched off when vehicle speed increases and requires a second to third gear upshift.
The 3-4 shift solenoid is located on the main control valve body and is switched on and off by electrical signals from the PCM. The 3-4 shift solenoid activates the 3-4 shift valve which controls the automatic shifting between third and fourth gear. Third gear is established when the 3-4 solenoid is switched off. The 3-4 shift solenoid is switched on when vehicle speed increases and requires a third to fourth gear upshift.

Mar 23, 2013 | Cars & Trucks

1 Answer

P0733,p0734


The two Codes are about the transmission. The gear ratios in third gear and fourth gear are wrong.

It will help if you can resubmit the problem and name the Brand and Model of the vehicle or add the info. I have not seen this set of Codes before, but it may be about the gearshift linkage not showing the correct gear. If this had an internal overhaul, the transmission may have been reassembled with these gears in the wrong place.

If this is an automatic trans with Electric shift solenoids, the wiring connector to the third and fourth gears is switched.

Please rate my info.

Oct 30, 2012 | Cars & Trucks

2 Answers

Goes reverse, forward 1-st and 2-nd gear only.


Hi : ) Sounds like the third and fourth gear clutch pack has burnt out or there is some valves in the bottom of the transmission not working properly time for a mister transmission to look at it. If the fluid is up on the stick when it is warmed up that good but if it has brown colour in it that not good it should be bright red and see throught.Here is a Diagnosis Chart
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Apr 02, 2011 | Chevrolet 2500 Cars & Trucks

1 Answer

Transmission does not shift in the third and fourth gear


Well could be a couple of different things wrong.
If it is an automatic transmission could be the pressure solenoids in the transmission. or some thing is broken in the gears.
If it is a standard it could be the synchro gears inbetween that let you shift into the next gear.
Needless to say unless you are a transmission mechanic, take it to the transmission professionals and they will tell u if it can be fixed or depending on the hours for labor, or if u really need your car, you can have a rebuilt transmission installed in about 2 days. Rebuilding yours could take up to a week depending on the experience of the mechanic. I have worked on standard transmissions but I wouldnt even try an automatic.
I had a rebuilt automatic put into my chev pickup in under a weekend for 1300 bucks, but I had a shift kit installed as well while I waited lol.
hope it helps
D

Jan 06, 2011 | 1995 Chevrolet Monte Carlo

1 Answer

Automatic transmission


have you had the filter in thepan changed and oil changed in the tranny?

Jul 05, 2009 | 1994 Plymouth Acclaim

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