Question about 1994 Volvo 850

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I am trying to install a new shift solenoid to eliminate the intermittent trans slipping and solid yellow arrow on the dash ( sometimes flashing/ sometimes off). I do not readily see the switch from below. I was told it is on the driver's side connected to the bell housing. Do you have a picture or better description of location and procedure?

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  • richard193 Jul 20, 2009

    I bought an original equipment Volvo S1, S2 (Part# 6843783) shift solenoid to correct the intermittent problem I described. Thank you, Dick

  • yadayada
    yadayada May 11, 2010

    have no idea what the switch is you are refering to.

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The sensor you have indicated, on the drivers side bell housing, is called an output speed sensor, it is visible from underneath the car. its located over where the right side axle comes out of the transmission, If you would post the codes that you are getting, I have very RARELY seen that sensor cause a problem. Maybe I can offer a better more accurate solution?

Posted on Jul 21, 2009

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94 isuzu rodeo w0nt shift outta 2nd gear why


why double post and not add info????

like engine size ?
4wd?
and trans model.?
best i can tell your trans has no TCM.
so is true hyrdamatic. (no computer brain shifts)
so needs many tests first. to find why it will not upshift to 3rd.
governer? be on top of list.
as is stuck TV cable
or leaking vacuum modulator valve. if it has one.
if you have this trans. on the big V6
then
4L30-E.

see that E on the end, it is TCM shifted.
the trans has a side plate that anyone can read, tells you what is there.
here is the wiki on it.
https://en.wikipedia.org/wiki/GM_4L30-E_transmission


read that?



see the 2 solenoids 425/435?
if yes, that is TCM shifted box, and must be scanned or do the FSM book, TCM flash codes, the book tell you who to do that.
\
http://www.makcotransmissionparts.com/mm5/graphics/Catalog-pdf/4L30E.pdf

this is a TCM brain auto shifted box, and must be scanned first
if the trans slips, that is a WHOLE OTHER MATTER.

Nov 02, 2016 | 1994 Isuzu Rodeo

1 Answer

Why does my car jerk really bad when shifting from park to drive? sometimes while im driving it also does the same thing


Transaxle is most likely worn out & due to
be rebuilt

The hard shifting could be an electrical control problem

When you drive any vehicle, even 10 miles ,with any trans
problems, you basically ruin it & do so quickly

What happens is no one changes the fluid every 3 years

It breaks down from the heat & so goes the trans

Then thinking a fluid change will help & it won't do a thing
after years of neglect,the fluid is changed & nothing gets better
& sometimes the trans starts to slip.

What you need to do is have a trans or repair shop check for codes
& road test with you along & driving, to explain the issues

Not changing the fluid causes microscopic particles that normally
occur in side a trans as it wears the clutch material & bushings, to
become lodged in the solenoids

Finding the bad solenoid & even getting to them on a transaxle
verse a rear drive vehicle, is a problem & since your driving it
with the slamming & such from delayed shifts ,your pretty much done.

2004 vehicle is 11 years old & about 150,000 miles

Pull it & rebuild it or install a reman

If it were a rear drive such as my 2004 lincoln ,I would say
pull the pan & change the solenoid pack,not so on yours

Jun 11, 2014 | 2004 Cadillac CTS

1 Answer

What does the code po753 refer to


Symptom:

P-0753 TRANS 3-4 SHIFT SOLENOID/TRANS RELAY CIRCUITS

When Monitored and Set Condition:

P-0753 TRANS 3-4 SHIFT SOLENOID/TRANS RELAY CIRCUITS

When Monitored: Continuously with the key on.

Set Condition: This code is set if the voltage detected on the 3-4 Shift Solenoid Control

Circuit at the PCM is different than the expected voltage.

POSSIBLE CAUSES

FUSED B(+) FEED TO THE TRANS CONTROL RELAY OPEN

3-4 SOLENOID WIRING HARNESS INTERMITTENT DEF

3-4 SOLENOID WIRING HARNESS OBSERVABLY DEF

SHIFT SOLENOID CONTROL CIRCUIT OPEN

SHIFT SOLENOID CONTROL CIRCUIT SHORT TO GROUND

SOLENOID AND HARNESS DEF (SOLENOID CONTROL CKT)

TRANSMISSION RELAY OUTPUT CIRCUIT OPEN

TRANSMISSION RELAY OUTPUT CIRCUIT SHORTED TO GND

PCM DEF (3-4 SOLENOID/TRANSMISSION)

PCM DEF (TRANS 3-4 SOL/TRANS RLY CKT)

POWERTRAIN CONTROL MODULE DEFECTIVE

POWERTRAIN CONTROL MODULE DEFECTIVE

POWERTRAIN CONTROL MODULE DEFECTIVE

SOLENOID AND HARNESS DEF (SOLENOID PACK CONN)

TEST COMPLETE
TRANSMISSION CONTROL RELAY DEFECTIVE

Feb 03, 2012 | 1999 Dodge Dakota

1 Answer

Reverse is rough, with intermittent grabbing, not slippage. I have replaced both s1 and s2 solenoids but dash light arrow still flashes. Prior to replacing the solenoids the transmission was in limp mode...


It sounds as if the seals are bad in your transmission and they are allowing fluid to slip past them. This results in the transmission not completely engaging in gear and being extremely slow to shift into gear.

You can try a few capfuls of break fluid in the tranny. This will swell the seals and allow them to seal better. This is not a permanant fix however, this will only temporarily get your tranny working for an undertermined amount of time. I used this fix on a turbo trans 350 and I got about a year of life out of it.

Beyond that I believe you may be looking at a tranny rebuild or replacement.

Apr 09, 2010 | 1996 Volvo 850

1 Answer

My service engine light is on, I had the code checked and it said line pressure solenoid. how do I find out which one is bad and where are they located


p1745 - Transmission system problems.

The code for this concern is related to the EPC solenoid in the transaxle.

P1745 EPC EPC solenoid circuit failure EPC solenoid, circuit or PCM shorted or open. Soft/harsh shift feel

The wire to the EPC solenoid is a yellow and violet wire.The code indicates that the problem is strictly caused by this solenoid circuit. I would suggest inspecting this wire from the trans to the PCM.If there are no obvious faults, replace the wire with a new wire ,eliminating the faulty circuit. Hope this helped you.

Feb 17, 2010 | 2001 Ford Escort ZX2

1 Answer

1998 ford explorer is having a transmission slip bad. Could it mean that the fluid and shift solenoid needs changing?


Shift solenoid is typically WHEN to shift, not slipping.
Bands and fluid are slipping (and sometimes pump).

Cheap test, remove old, install new fluid... test.
If it works - congrats.
If not, AAMCO or other transmission place for a real test.

Oct 07, 2009 | 1998 Ford Explorer

1 Answer

Code p0671


P0761 - Shift Solenoid C Performance or Stuck Off

This shift Solenoid is damaged. this explains the erratic shifting you are experiencing. replace this solenoid asap if possible. This shift solenoid is responsible for the engagement of the O/D gear as well.

Jun 03, 2009 | 1996 Ford Explorer

2 Answers

2000 impala ls trans problem


The problem is a known issue with the 1 to 2 shift at hard throttle. The fix is a repair of the entire 2nd clutch assy. in the transmission. There is a TSB about it released by Chevy. It will need that rebuild for the sudder to go away, or you can try and let off it at shift to stretch more miles out of it.

Feb 02, 2009 | 2000 Chevrolet Impala

1 Answer

Transmission slipping


do u have any transmission trouble codes? u should if the OD light is flashing, the light flashes to alert u that a electronic malfunction is occurring in the trans controls, u may just have a bad trans connector or a shift solenoid starting fail due to a shorted field closing coil.

Jan 24, 2009 | 2001 Ford F350 Super Duty SuperCab

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