Question about 1995 Oldsmobile Aurora

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95 ARORA shitfs hard into reverse ans drive but shifts fine while drivivg.i was told prob a solenoid in trans.how do i fix?

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The most common issue with these cars is a sensor that is located inside the transmission that gets splashed with transmission oil and prevents it from working. The car reports a code PO717... which is the "Input Turbine Speed Sensor" is not reporting. This will cause the transmission to shift roughly out of park and reverse. The transmission will need to be disassembled to have the sensor replaced. You can still drive the car but it will eventually cause the transmission to fail completely.

Posted on Mar 14, 2011

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I have a 1984 Nissan Sentra automatic runs fine does reverse first and second but won't shift into 3rd or overdrive what's wrong


If this is an automatic transmission (you did not say) it may be a shift solenoid in the trans has failed. Remove trans pan and you may well see the solenoid has come apart. Easy fix.

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2005 f150 no drive but reverse works fine


could be a long list of things, all inside the trans.
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My 95 yukon wont shift in to 3rd gear ?


I think you have two separate issues

First get all the codes & fix the ABS issues first

I think you'll find the trans is due for a rebuild,sorry, if that doesn't turn out to be the case.
It is slipping for some reason & that isn't fixable without a tear down

May 24, 2012 | 1995 GMC Yukon

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I have an 04 pontiac grand am ,3.4litre with auto trans.prob is had trans. flushed and new filter put in,now car wont shift out of 2nd gear,car has 81,000 and never had probs.before,what could be...


It could be as simple as you don't have enough trans fluid. It could also be a shift actuator/solenoid. Have you checked the level of your trans fluid?

Apr 19, 2012 | 2004 Pontiac Grand Am

1 Answer

95 ARORA shitfs hard into reverse ans drive but shifts fine while drivivg.i was told prob a solenoid in trans.how do i fix?


have you inspected the shifting linkage thoroughly before digging into the tranny for the solenoids?
Best regards
Ck

Mar 14, 2011 | 1995 Oldsmobile Aurora

2 Answers

I have a 2003 lincoln ls with 110,000 miles and there is a hard **** when it is about to go into 3rd gear; there is also a hard **** when I put in reverse. I am told that I need a solenoid assembly...


You need a new Trans Control Solenoid--one unit with all 3 pressure control and 4 shift solenoids, in one unit.
Remove trans pan,gasket reusable,remove filter,remove 7 torx screws and one 10mm wire harness connector bolt,then pull down old solenoid pack.

Part # 9L2Z7G391A 515.30 list/332.20 cost at trans supply house

Do Not Go to a Dealer,unless your Warren Buffet or Bill Gates

Change the fluid a couple more times, after installing the new solenoid pack, and driving a couple weeks with no issues. Add a bottle of Red Lubgard, to your Mercon V Trans Fluid, at the last fluid change

Also--pull injector fuses,crank over engine, and flush Power Steering Fluid. (Dex/Merc Fluid)

Oct 14, 2010 | 2002 Lincoln LS

1 Answer

Transmission is shifting hard and slow to pull on a 95 silouette also makes clucking sounds while accelerating


Shift suddenly become very hard. When going from park to either reverse or drive it slams into gear. 1-2 and 2-3 shifts are also harsh. All gears seems to work. Problem may be intermittent: Check TPS for smooth and linear electrical response over the entire range of motion. If not, replace.

Extremely harsh shifts from P or N, normal shifts at WOT: EPC (Electronic Pressure Control) solenoid failed. Easy fix in pan. Fix as soon as possible or hard parts will eventually break.

No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Car goes into gear but feels very sluggish like the brakes are dragging, but it will roll easily (starts out in 4th gear), you manually shift to 2 to get it moving, once it's moving you put it back in OD and the car shifts 3rd to 4th on its own and locks the converter at the appropriate time: ShiftB solenoid failed: Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.


Mar 05, 2010 | 2002 Oldsmobile Silhouette

1 Answer

Shifts hard only some times when cold or hot from 3rd to over drive the truck has 130,000 miles and is a 2000 chevy silverado 2500 6.0L


1-2 shift is delayed and harsh, may not shift into OD: Check TPS for smooth and linear electrical response over the entire range of motion. If not, replace or EPC (Electronic Pressure Control) solenoid failed. Easy fix in pan. Fix as soon as possible or hard parts will eventually break. Start with the simple and check the transmission fluid level and condition.Secondly, put a line pressure gauge (or visit a local trans shop) on the pressure test port and go for a drive to verify proper line pressure. Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. Max line pressure should be at least 190psi at WOT in 1st or 2nd, 225psi is optimum. If base pressure is low, trans or pump is worn out. If max pressure is low, check EPC solenoid. If reverse is slow to engage, and line pressure does not come up to at least 130psi in reverse, replace the boost valve with a Transgo 0.500" boost valve (easy fix in pan).
No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Good luck and keep me posted.

Feb 17, 2010 | 2000 Chevrolet Silverado

2 Answers

My saturn was running fine. Then it would shift very hard


well if it shifts very hard into every gear that means the pressure control solenoid in the trans went bad and it causing the trans to go to max line pressure thats why it shifts so hard,,,it does that so you can still drive it even thou it broken,anyhow the PC solenoid is under the trans pan which is on the TOP of the trans under the battery,,,,not too hard a job to do, the parts are about $100 labor might be about $200,,,easy fix,,could be alot more,,,and if you dont fix it ,it will break other stuff in the trans and cost alot more,,,

Oct 12, 2009 | 2001 Saturn S-Series

1 Answer

2001 ESPACE 2.0L AUTO NO REVERSE HELP PLEASE


your trans has lectronic controls to operate the shifting of your trans. If there is a defect, a fault code will be stored in the computer, called a DTC. You need to have someone with a scan tool check for the fault code. It is likely a solenoid that is not working or stuck.

Get the codes first. Autozone can run the test for free on engines, maybe trans codes too. Call your local Autozone or big parts store and ask them.

----------
SECTION 307-01: Automatic Transaxle/Transmission 2001 Escape Workshop Manual
DESCRIPTION AND OPERATION Transaxle Description The CD4E automatic transaxle is a four-speed, front wheel drive automatic transaxle with electronic controls for:
  • Electronic pressure control (EPC) solenoid for shift quality.
  • Shift scheduling.
  • 3-2 shift timing.
  • Coast braking.
  • Torque converter clutch control.
The transaxle features a four element torque converter with a torque clutch and a geartrain that includes:
  • Compound planetary gearset.
  • Chain drive.
  • Planetary gearset final drive.
  • Pinion and side gear differential.
The hydraulic control system of the transaxle has five solenoids that control:
  • Shift feel, through line pressure control.
  • Shift scheduling, through shift valve positioning control.
  • Modulated application of the torque converter clutch.
  • Timing of 3-2 shifts.
  • Engine braking during coast operation.
----------------------------
Solenoid Valve Body Assembly The solenoid valve body assembly contains the transmission fluid temperature sensor (TFT) sensor, as well as five PCM controlled output devices:
  • Electronic pressure control (EPC) solenoid.
  • Shift solenoid A (SSA).
  • Shift solenoid B (SSB).
  • 3-2 timing/coast clutch solenoid (3-2 T/CCS).
  • Torque converter clutch (TCC) solenoid.
---------------------------------
You may need your PCM, Powertrain Control Module reflashed by a Ford Dealer.
Try disconnecting your battery for 1/2 hour and then reconnect and see what happens. It will run a little rough and shfit hard until it relearns your engine/trans characteristics.
Let us know results of tests and DTC codes if you get them.

May 04, 2009 | Renault Sportwagon Cars & Trucks

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