2006 Seat Leon Service and Repair Manual

This factory service and repair manual for the 2006 Seat Leon lists two engines: a turbocharged twin-cam 1.8-liter inline-four and a naturally aspirated 2.0-liter inline-four of 121 cubic inches with double overhead cams, both running on gasoline. The four-door hatchback is offered in Cupra R, FR, FR Last Edition and Stylance trims. Procedures, specifications and wiring diagrams are given for the pair of engines and the hatchback body, including boost diagnostics on the 1.8-liter.

Engines covered

• 1.8L inline-four — DOHC, turbocharged, gasoline
• 2.0L inline-four (121 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door hatchback

Trims covered

• Cupra R
• FR
• FR Last Edition
• Stylance

Known issues on the 2006 Leon. The 2006 Leon's two engines differ in size and in induction, a turbocharged 1.8L and a naturally aspirated 2.0L, and this manual gives specifications and diagnostics for each. Induction procedures apply to the turbocharged 1.8L, and both engines get fuel system and ignition testing. Engine torque values cover both DOHC fours, and wiring diagrams follow the electrical system of the four-door hatchback in its four trims.