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> 89 Volvo 240 Overdrive Problems, Problem with overdrive
unknownuser1214
post Jan 9 2007, 12:03 AM
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Hi, I have a 1989 volvo 240gl automatic with overdrive, but whenever I depress the O/D button on the side of the shifter, I see no acknowledging response from the car. Is there a dash light thats supposed to come on? I have no way of knowing if im driving with O/D
on or off. Thanks again
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kleuch48
post Jan 9 2007, 08:49 AM
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:00000732: to the forum. I had similar issues with my 89 240. While driving, do you feel the car going into all four gears? As you go along, not too fast, click the O/D button and see if it downshifts. If it does, then all is okay except for the yellow/orange indicator on the dash, That may be a bulb or relay. If the car does not downshift, then it would be one of two things - the O/D relay behind the dash or the solenoid mounted on top of the tranny. With the engine running and in park, hit the O/D button - you should hear a click behind the dash - if not, replace the relay - cheap and easy to get to throught the glove box. If the car doesn't get to forth gear and the relay is clicking, then it is most likely the solenoid. The part is around $175.00 USD. It is easily accessible on top of the tranny and attaches with two 10mm nuts. If you do it yourself, be sure to take out and replace all of the O rings (use a mirror to look inside). KEEP IT CLEAN. Mechanic will most likely charge $50 to $100 to do the job. Good luck... :)
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prauphet
post Feb 9 2009, 07:28 PM
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good luck everyone with your overdrive issues...

I hope you don't mind me chiming in. I'm in the midst of resolving an OD issue with my 90 240dl sedan. I read the above and can't say I hear anything when the button is engaged. I've replaced the relay but I still do not have 4th gear. This has been happening on/off for a few months and only recently have I lost 4th gear all together. The other day oddly while driving on the bay bridge I was traveling about 55mph and suddenly I heard/felt the transmission smoothly shift into 4th. It was great until I stopped, parked and left the car for a couple of hours. When I got back in I was back to no 4th gear.

Any thoughts?
cheers
rory
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nice86
post Feb 9 2009, 08:43 PM
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Assuming this is an AW70/71 transmission -- You could install an overdrive solenoid bypass kit from IPD as an economical fix. You won't be able to downshift into 3rd gear by pushing the button after installing this kit.

http://www.ipdusa.com/Volvo-200/Transmissi...9-266-672-1891/
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egizzi
post Oct 2 2009, 11:39 PM
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Okay, I bought the ipd overdrive solenoid bypass thingy.

But...

I can only get one bolt off the old solenoid. The other bolt is stuck. I have it up on ramps, it is very very tight in there. I even bought a 12mm stubby flex wrench. Nothing. Any ideas on how to loosen it?
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robert240
post Oct 3 2009, 12:39 AM
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edit
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nice86
post Oct 3 2009, 12:54 AM
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Spray the bolt with PB Blaster or Kroil. Leave it set for a couple hours. Spray it again. Work that bolt head back and forth. You could put a breaker bar on it but I'd be afraid of snapping off the bolt head.
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volvo240wagon!
post Oct 3 2009, 09:32 PM
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I was having this problem for about a month, then it completely stopped. I think it was the k&n sticker. Honestly though, I say the ipd bypass kit is the cheapest way to go. I plan on doing that if it happens again
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ari7
post Nov 22 2009, 06:44 PM
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hi, I also have a 1989 240 GLE with auto transmission, and was having the same problem. Once some time ago, I pushed the OD button in order to deactivate the OD, but it never got activated again, and the light was always on, no matter how many times I pushed the button, but I could hear the 'click' every time I pushed it.

Now the light is completely off but I still hear the 'click' when I push the OD button, the OD is still turned off.

As far as I've read here, it may be the solenoid - how can I check it by my own?

thanks
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240Dave
post Dec 9 2009, 10:44 AM
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I thought this would be a good place to add my question.

I have an '89 Volvo 240 and have replaced the overdrive relay and the solenoid on the transmission. Unfortunately, the overdrive still does not kick the transmission into 4th gear.
My mechanic says the solenoid and everything is working ok, but that sometimes on 240's the overdrive won't start working immediately. He said he has known of cases that it will start working on it's own after driving it for a while.

It sounded a little fishy to me and I was wondering if anyone else has heard of that. It has been 5 days since the solenoid was replaced and I have driven at least 500 miles and it still won't kick into 4th. When I press the button on the gear shift knob, the light on the dash comes on and goes off appropriately, but it is obvious that no shifting is happening.

Also, will the light on the dash work if the relay is bad? I can replace the relay easily myself if that might still be the problem.

Any thoughts?
Thanks, Dave
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robert240
post Dec 9 2009, 11:10 AM
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Make sure fuse 11 is clean.

With the key on, car not running - you should hear the solenoid click under the car everytime you push the button.

For OD to work the fluid has to pass between two holes in the top of transmission - the solenoid controls this flow. If the solenoid is working then its possible this passage is blocked by something or a problem with the transmission fluid.
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240Dave
post Dec 9 2009, 11:30 AM
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(IMG:style_emoticons/default/liebe011.gif) I did what you suggested and can hear a click from the relay, but don't hear anything from below the car.
Should it be loud enough to hear from inside the car? My mechanic said the solenoid was working fine.

I also checked the transmission fluid level and found it low. Could that cause the problem? If so, that would also explain the comment by my mechanic. I will add transmission fluid this afternoon either way.

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robert240
post Dec 9 2009, 11:41 AM
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You have to be under the car to hear it. The fluid should be bright red, not brown or brunt. Note what the manual says about checking the transmission fluid:

Automatic transmission
Capacity: 7.8 US qts (7.4 liters)
Fluid type: Automatic Transmission Fluid type Dexron II D.
Replace: every 20,000 miles (32,000 km).

A Cold transmission: oil temperature = +105 F (+40 C).
This is a normal temperature for the transmission after idling for about 10 minutes.
At oil temperature below +105 F(+40 C), the level may be below the MIN mark.

B Warm transmission: oil temperature = +195 F(+90 C).
This temperature is obtained when driving for about 30 minutes.
At oil temperature above +195 F(+90 C), the level may be above the MAX mark.

Note! The engine should be idling when checking transmission fluid level.

Check the oil level as follows:
Park the car on level surface with the engine idling.
Slowly move the selector lever through all the gear positions and then to position P. Wait 2 minutes before checking the oil level. As the illustration shows, the dipstick has a "Cold" and a "Warm" side. The oil level should be between the MIN and MAX marks. Wipe the dipstick with a clean cloth.

WARNING!
The oil may be very hot!

Do not use rags which can leave lint on the dipstick.
The transmission is topped up via the dipstick tube.
The space between the MIN and MAX marks on the dipstick corresponds to 0.5 US qts (0.5 liter). Do not fill the transmission with too much oil, since this can result in oil being ejected from the transmission.
Too little oil, on the other hand, can negatively affect transmission operation, particularly in very cold weather.
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ari7
post Dec 10 2009, 10:36 PM
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where is exactly the solenoid placed?

thanks
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240
post Dec 11 2009, 04:17 AM
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Check out the third picture on this page.

The solenoid is on the driver's side. If your head is a little behind the front wheel, find the fill tube that leads into the transmission pan. You can see the fill tube, nut, and pan in the bottom of the picture linked above. Up from the fill tube and a little further back.

The 6th picture here is what you'll see looking from underneath the car:
http://cleanflametrap.com/odwire/
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ari7
post Dec 12 2009, 07:53 PM
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ok, thanks for the info.
I tried to fix it by my own and here is the report.

I unfolded the case from inside the car, to identify the solenoid wire, found it, but didn't notice nothing that could seem wrong.

then I unmounted the relay, and this is what I found (here and here is the photo album)

one of the wires seemed cut:

http://img704.imageshack.us/i/pc120974.jpg/

close up


one of the terminals of the relay switch seemd burnt:

http://img704.imageshack.us/i/pc120983.jpg/

http://img692.imageshack.us/i/pc120977.jpg/

(the black part what can be seen, is not a shade, it's actually black)


could this issues have something to do with my OD malfunctioning?

I also replaced the no.11 fuse for a new one, cleaned all the cotacts with a contact cleaner, and nothing happened. I still can hear the 'click' when I press the OD relay but it does not engage. any advise?

thanks!
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240
post Dec 22 2009, 12:35 PM
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The damage you mention sounds bad to me, but I'm not an expert. Maybe try creating a new thread, and re-posting what you put here. Hopefully someone more knowledgeable about electronics and all can help.

One alternative that cuts around all the electronic issues of OD is the bypass kit from iPD. The only drawback is that you can no longer lock out OD and stay in 3rd gear, like if you're towing or driving in hills / mountains.

Good luck!
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ari7
post Jan 2 2010, 05:41 PM
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QUOTE (240 @ Dec 22 2009, 01:35 PM)
The damage you mention sounds bad to me, but I'm not an expert. Maybe try creating a new thread, and re-posting what you put here. Hopefully someone more knowledgeable about electronics and all can help.

One alternative that cuts around all the electronic issues of OD is the bypass kit from iPD. The only drawback is that you can no longer lock out OD and stay in 3rd gear, like if you're towing or driving in hills / mountains.

Good luck!


today, I checked the OD switch (the burnt-like legs) with a multimeter, and it showed the correct voltage, so now I'm realizing that the solenoid must be the reason of the malfunctioning. Will take it to a specialist tranny mechanic as soon as I have the time to do it...
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85-volvo-245
post Jan 9 2010, 08:54 PM
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for the person that started this with the 89' auto, i would say it is either the switch or did you ever pull the knob off? on my 85 that's happened multiple times and even though the 85 is a manual, i figure it has the same button/overdrive setup in knob, if it is, it's a possibility that you pulled up on it and pulled the wire out of the knob, thus disconnecting the overdrive unit.
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ari7
post Jan 30 2010, 06:00 PM
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well, I took the car to my mechanic, and he lifted it to check the solenoid, and he said it was ok, so the problem might be the relay.

I purchased a new relay on ebay, replaced it and the new one does not work at all. In fact, the corresponding fuse was burnt just as I turned on the engine (I tried with a new fuse and it was the same).

I checked the current that was flowing through the fuse terminals with a multimeter, and it was over the 16 A that should pass, and some sparks appeared.

now I really don't know what could it be (IMG:style_emoticons/default/sad.gif)
can it be a problem with the new relay? it was used, not new (it seems that it is not available new), could I received a non-working relay?

I opened the new relay and it looks fine inside.
the old relay circuit board seems a little burnt and dirty, i'll try to clean it up with some contact-cleaner and check if something happens (it still emitted the 'click' despite the OD wasn't engaged)
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