One problem related to transmission solenoid has been reported for the 2004 Volvo XC90. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Volvo XC90 based on all problems reported for the 2004 XC90.
Transmission replaced June 08 front control arms and bushings and coolant reservoir replaced sept. 08 thermostat & housing & temp sensor replaced Jan. 08 brake vacuum pump replaced for 2nd time Jan. 08 brake vacuum pump replaced sept. 07 gasket, o-ring, hose clamp recall sept. 07 power steering pump and brake vacuum pump installed July 07 steering rack solenoid replaced July 07 - (recall may 3, 08?) new bridgestone tires may 07 upper engine torques mount replaced March 07 recall wiper arm 156, ball joint 157 oct. 06 brake pad & rotors replaced oct 06 upgrade software a & c July 05 abs brakes warranty fix may 06 front pads & rear pads & rotors replaced Dec. 05 exhaust rubbing on driveline, install kit to hold exhaust off driveline Dec. 05 left rear wheel bearing & hub, rear pads & rotors replaced June 05 4 new tires June 05 turbo control valve replaced March 05 front pads and rotors replaced oct. 04.