Part Name Description Location Part Type Y17.2 Solenoid valve,Retarder (manual {CN 1 B} componentSymbol gearbox) Y25 Solenoid valve unit, ECS, Rear axle {FA 5 C} componentSymbol Y33 sol valve unit injector {CM 3 B} componentSymbol _ _ _ Y33 sol valve unit injector {CC 2 B} componentSymbol _ _ _ _ Y35 Solenoid valve, engine cooling fan {CN 5 D} componentSymbol Y35.1 Solenoid valve, engine cooling fan {CB 2 C} componentSymbol Y35 D9 Solenoid valve, engine cooling fan {CA 4 C} componentSymbol _ Y36 Solenid valve,Steerable axle,Bogie {BB 0 D} componentSymbol Y37 Solenoid valve unit, engine brake/EPG {CM 1 C} componentSymbol Y37 Solenoid valve unit, engine brake/EPG {CC 2 C} componentSymbol _ Y39 Solenoid valve,Volvo Engine {CM 1 D} componentSymbol Brake(VEB) Y39 Solenoid valve,Volvo Engine {CC 1 C} componentSymbol _ Brake(VEB) Y40 Solenoid valve unit, ECS, Front axle {FA 4 B} componentSymbol Y46 sol valve piston cooling {CM 2 C} componentSymbol _ _ _ Y47 sol valve engine cooling fan {CM 5 B} componentSymbol _ _ _ _ Y53 Control valve block, RAS {FO 3 D} componentSymbol Y72 Valve, Horn {IS 2 C} componentSymbol Y90 {CB 5 B} componentSymbol Y91A {CA 0 C} componentSymbol Volvo Bus Corporation Document Title WIRING DIAGRAM Document Type PRODUCT SCHEMATIC Document No 20904123 Issue Index 04 Volume No 02(02) Page No 31(84) Part Name Description Location Part Type Y17.2 Solenoid valve,Retarder (manual gearbox) {CN 1 B} componentSymbol Y25 Solenoid valve unit, ECS, Rear axle {FA 5 C} componentSymbol Y33 sol valve unit injector _ _ _ {CM 3 B} componentSymbol Y33 _ sol valve unit injector _ _ _ {CC 2 B} componentSymbol Y35 Solenoid valve, engine cooling fan {CN 5 D} componentSymbol Y35.1 Solenoid valve, engine cooling fan {CB 2 C} componentSymbol Y35 D9 _ Solenoid valve, engine cooling fan {CA 4 C} componentSymbol Y36 Solenid valve,Steerable axle,Bogie {BB 0 D} componentSymbol Y37 Solenoid valve unit, engine brake/EPG {CM 1 C} componentSymbol Y37 _ Solenoid valve unit, engine brake/EPG {CC 2 C} componentSymbol Y39 Solenoid valve,Volvo Engine Brake(VEB) {CM 1 D} componentSymbol Y39 _ Solenoid valve,Volvo Engine Brake(VEB) {CC 1 C} componentSymbol Y40 Solenoid valve unit, ECS, Front axle {FA 4 B} componentSymbol Y46 sol valve piston cooling _ _ _ {CM 2 C} componentSymbol Y47 sol valve engine cooling fan _ _ _ _ {CM 5 B} componentSymbol Y53 Control valve block, RAS {FO 3 D} componentSymbol Y72 Valve, Horn {IS 2 C} componentSymbol Y90 {CB 5 B} componentSymbol Y91A {CA 0 C} componentSymbol