2004 Volvo C70 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Volvo C70
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2004 Volvo C70 ProblemsConvertible Top May Have Problems With Micro-Switches/Potentiometers
The convertible top may have problems with the micro-switches and potentiometers that help control the raising and lowering of the top.
Several complaints have been reported regarding Volvo C70 transmission shifting issues. Long shift times between gear shifts, hard shifting, hard downshifting and a loss of transmission operation all together to name a few.
If the issue is minor, a transmission software update may fix this issue so if available, the software should be updated before any repairs are made.
There are several technical service bulletins (TSB's) available from Volvo that address these shifting issues and they should be consulted by the repair shop during the automatic transmission diagnostic process.
Regular servicing of the transmission fluid can help with preventing transmission failure, but not in all cases. Follow the suggested fluid replacement interval recommended by Volvo. You will find this in your owners manual, or find it here: http://bit.ly/Volvo_Owners_Manuals
Door window regulator failures have been reported. These vehicles have a very complex door window mechanism that can be very difficult to adjust properly after installing a new window regulator. This can lead to air leaks, wind noise, and a door that doesn't open or close properly. This is a good time to find an experienced Volvo mechanic!
2004 Volvo C70 Questionsis it normal for water to drain heavy if the car sitting with the AC on? (1 answer)
Water was coming heavy form under the car