Question about 1997 Chevrolet Lumina

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Transmission slipping? Transmission will not shift into second gear unless I let off the gas. Otherwise engine races. Cruise control stopped working when this problem started. Transmission works fine otherwise. Lumina 3.1 sedan, 1997

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Posted on Jun 23, 2008

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1992 Subaru legacy wagon will not shift up from first gear. it is an AT.


run the fault but all you describe is operated from the VSS sensor ( vehicle speed sensor)
it tells the cruise control the vehicle speed , tells the TCM the vehicle speed so that ratios can be changed, activates the speedo,and will report with a check engine light to report a transmission problem
run the fault codes first

Mar 05, 2017 | Subaru Cars & Trucks

1 Answer

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

2 Answers

What causes 1996 Dodge Neon SOHC automatic transmission to delay or slip shifts?


that is a hum dinger, largest ever posted, in one shot.
very good.!
one word , the transmission slips. (never drive a slipping tranny)
overheat indicator.! that is key.
many newer cars will change the transmission shifting any time
the engine over heats.
and overheat wins over transmission , every time.
if the engine burns up, what good is any transmission.? nada.

solve overheat first.

slip or flare.
is when the engine RPM rises fast and the car dont go faster.
SLIPS.
and slipping burns up trannyclutchs and increases the damage. inside the transmission, dont do that. dont allow it,
park it and fix it.

on some tranny there is a temperature sensor that the TCM
watches and changes shift patterns based on AFT fluid temps.
and if the ATF fluid gets too hot , it takes actions. to keep the tranny from harm.

why not get a scan too and see what DTC errors there are..
DTC, engine overheate.
DTC< tranny overheat (caused by above)

Jun 14, 2014 | 1996 Dodge Neon

2 Answers

Ford trauras trouble code 732 - was told transmission code 732 was being produced, what does a code 732 say?


P0732 FORD - Incorrect Second Gear Ratio
Transmission in second gear and the ECM detected an incorrect gear ration. This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from Engine Control Module (ECM)
C: Gear ratio determined as gear position which TCM supposes

If the actual gear position is higher than the position (2nd) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Incorrect transmission shifting

Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit

Tech notes
Start by inspecting the transmission fluid level and condition, and change fluid if necessary.


Hope helps.

Apr 26, 2011 | Ford Taurus X Cars & Trucks

1 Answer

I have a 95 f250 powerstroke diesel, automatic, since yesterday the transmission has been slipping between 3rd and overdrive. the problem started while hauling a fairly light horse trailer and the...


You should not use overdrive unless you are steadily going highway speeds. I had one of those and my ex liked to use cruise control on windy coastal roads. This caused it to shift back and forth from 3rd to overdrive constantly. So I disconnected the cruise control so he couldn't use it. Lol. I'm not suggesting this for you. You should keep overdrive off for now and have your transmission serviced. New filter & oil & flush the cooler. Make sure you ONLY USE THE RECOMMENDED FLUIDS!!!!!!!!!! See if that helps. Do not use overdrive pulling a trailer and going up a hill and do not use it if you are on windy roads where you are slowing down alot of times. Try letting off the gas for a second when you do want to engage the overdrive. Remember to always check your automatic tranny fluid with the engine running and fully warmed up.

Apr 01, 2017 | Ford F-250 Cars & Trucks

1 Answer

The auto transmission doesn't shift from 3rd to 4th


It is possible that the computer is the culprit. Most cars with computer controlled trannys will keep in 3rd gear and only shift to overdrive when the engine has warmed up sufficiently. It could be a problem with this system. The best place to take it is your local AAMCO or Mr. Transmission, or the dealer. A regular garage will just be guessing in some cases unless the problem is revealed after running the engine codes.

Nov 25, 2009 | Dodge Intrepid Cars & Trucks

1 Answer

Transmission problem stuck in sport shift mode


I also have a 2009 Outlander Sportronic transmission with a V6 engine.
Bought it this summer ... transmission appeared fine but seemed to automatically slow down the vehicle using the engines compression whenever I let go of the gas pedal.
Now that the cold weather is upon us here in Canada, whenever I accelarate normally (not like a teenager) the transmission takes quite a bit of time to shift into second... If I rev up the engine (quick take off) it seems to help but the shifting of gears is not as smooth as I would expect it (mildly slips and kicks into second)...

The worst is when come to a complete stop ... then the transmission kicks coming down from the higher gears???

I read somewhere that this is because this transmission is a CVT type and is learning my driving habits in order to adjust itself so the vehicle becomes more fuel efficient... Not sure but if the trany is computer controlled then it must be poorly writen program...
I'm taking the car in to the dealer and will write back on the diagnostic they give me ...

May 15, 2009 | 2006 Mitsubishi Outlander

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