2010 Volvo Xc60 Serpentine Belt Diagram |work| May 2026

The 2010 Volvo XC60 represents a transitional era in belt drive design. While the 2D routing diagram appears straightforward, the system’s dynamic behavior is nonlinear. The official Volvo diagram (Part No. 30757903 for the 6-cylinder; 30637966 for the 5-cylinder) shows a path that maximizes wrap angle on the alternator (critical for high electrical load) while minimizing wrap on the A/C compressor.

[Tensioner] (Backside) | [Alternator] | [Water Pump] | [Crank] --- [A/C] --- [Idler] --- [P/S Pump] | | (Ribbed) (Backside) 2010 volvo xc60 serpentine belt diagram

The 2010 Volvo XC60, equipped primarily with the B6304T2 (3.0L turbocharged inline-6) or B5254T7 (2.5L turbo inline-5), employs a single serpentine belt to drive ancillary components including the alternator, power steering pump, A/C compressor, and water pump. Unlike simple V-belt systems, the 2010 XC60 introduces a complex spring-loaded automatic tensioner and an overrunning alternator pulley (OAP). This paper dissects the official routing diagram, analyzes the failure physics of the OAP, provides a comparative analysis of misrouting scenarios, and presents a thermodynamic assessment of belt wear under asymmetric tension. The 2010 Volvo XC60 represents a transitional era