2010 Volvo Xc60 Serpentine Belt Diagram //top\\ (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.
The diagram can be used as a diagnostic tool without removing the belt: 2010 volvo xc60 serpentine belt diagram
| Symptom | Diagram Area to Inspect | Likely Cause | | :--- | :--- | :--- | | Chirp on startup | Alternator wrap | Seized OAP | | Squeal at full lock | Power steering pump | Low fluid or belt slippage | | Constant rubbing noise | Smooth idler | Worn bearing or misrouting | | Cracks on belt back | Tensioner pulley | Glazed tensioner surface | The 2010 Volvo XC60 represents a transitional era
[Tensioner] (Backside) | [Alternator] | [Water Pump] | [Crank] --- [A/C] --- [Idler] --- [P/S Pump] | | (Ribbed) (Backside) 30757903 for the 6-cylinder; 30637966 for the 5-cylinder)
Confusing the smooth idler pulley (lower right on T6) for a ribbed pulley. Placing the belt’s ribbed side on a smooth idler causes immediate noise and rapid delamination.