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My volvo 98 v70 may have a solenoid prob. within the trans. is it an easy fix

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It is easy to replace if you have a MEDiUM knowledge in mechanical! You have to raise the whole car, drain the fluid from ur transmission, take off the oil pan, and you could already see those SOLENOiD. Take it out and install new one! Clean the pan, replace the pan gasket and put some silicone sealant around it, put the screws and thats it! Be cautious in tightening the BOLTS, DON'T OVER TiGHTEN iT and make a sequence in screwing it back! Fill it up w/ new AT Fluid!
Thats it, have a mechanic life for weekend!
Taah!

Posted on Nov 11, 2010

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Flush the transmission, get any software upgrades available, reset the adaptors and try it, nothing to lose.

If it doesn't work you will need a transmission. Solenoids are internal, that's what controls the shifts.
They could be faulty or the valve body but one should always do what I said once, if it doesn't fix it, you're looking at a transmission.

The resetting of adaptors is crucial if you update the software. It's basically wiping the memory of the TCU (transmission controller) and teaching it how to shift properly again.

Also could check this TSB...

The reason why I ask, is because anytime there are MULTIPLE transmission solenoid codes, its usually the result of a failed ignition switch. However, since only two codes appeared and were one at a time, I think at this point, its unlikely the result of an ignition switch failure.

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The 3-2 solenoid is #394 in the picture below, which is at the opposite end of the 1-2 solenoid.

zjlimited_122.gif

P0785 is for the 3-2 solenoid and that is 394 in the picture. Is it likely to fix it? yes, but of course I cannot guarantee that it will, sitting behind my computer and never seeing the vehicle.

Hope this helps.

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