The outer exhaust manifold studs can break and cause exhaust leaks, commonly noted as a ticking type noise. The outer studs, clamps, and nuts will need to be replaced and are now being tightened to a reduced torque value (20 Nm/180 in lbs).
Average mileage: 110,497 (45,000–159,287)
Exhaust & Emissions affected: 2.5L 4 Cylinder
15 people reported this problem