What kind of transmission does a Volvo 240 have?
Before you attempt to either rebuild or replace your transmission, buy yourself a copy of the Volvo 240 Transmission Service Manual (part number TP30868/2). This covers the BW55, AW55, AW70, and AW71 transmission that were installed in 240 vehicles from 1975 to 1993.
When did Volvo stop using the AW70 transmission?
This covers the BW55, AW55, AW70, and AW71 transmission that were installed in 240 vehicles from 1975 to 1993. You can order it online at www.volvotechinfo.com or your local Volvo dealership might be able to get it for you (click this link to go directly to 1990 240, then select “Service Manuals” and then “Power Transmission”).
What should I do if I have a transmission problem in my Volvo?
Doing transmission service will often improve the shifting quality. Make sure to use the recommended Volvo transmission fluid . In most cases correcting the transmission fluid level, changing fluid and filter, updating the transmission software, and replacing the valve body will fix it.
What causes hard shifting between gears in a Volvo?
Update TCM Software If you are experiencing hard shifting between gears, it could be caused by Transmission module software. This was a widespread problem in many Volvos from 2001 until 2007. The good news is that a simple software update performed by your Volvo dealer can often fix your hard shifting issues.
How can I tell if my Volvo transmission is bad?
Volvo first starts to manifest transmission problems by hesitating to engage or take too long to change gear. As the problem gets worse, you will notice a bang or hard shifting between gear. If you ignore the problem for too long, the car will go into Limp Mode and get stuck in one gear.
Do you need to replace the transmission on a Volvo?
You don’t need to take out the transmission; it takes about an hour to replace it. What you will need is a B4 Servo Kit for Volvo (30751262). A common problem, especially with the Aisin AW55-50SN and AW55-51SN transmission found in many Volvos, was a defective valve body.