Left Coolant Pipe
Left Coolant Pipe
Special tools, testers and auxiliary items required
• Hose clamp pliers (VAS 6340)
• Clamp pliers (VAS 6362)
Removing
- Drain the cooling system. Refer to --> [ Cooling System, Draining and Filling ] Procedures.
- Remove the rear engine cover in - direction of arrows - if applicable.
- Remove the front engine cover in - direction of arrows - if applicable.
- Disconnect electrical connector - 2 - at Mass Air Flow (MAF) sensor 2 (G246).
- Remove left air guide hose - 1 - from air duct.
- Release retaining clips - 3 - and remove left upper air filter housing.
- Remove connector on MAF sensor (G70) - 1 -.
- Release tension from spring clips - 2 - and remove right air guide hose - 3 -.
- Disconnect vacuum hose - 2 - to Evaporative Emission (EVAP) canister purge regulator valve (N80) by pressing release button.
- Free up vacuum hose.
• Ignore - item 1 - and - item 3 -.
- Disconnect electrical harness connector - 2 - from EVAP canister purge regulator valve (N80).
- Remove EVAP canister purge regulator valve (N80) - item 1 - from bracket and lay aside.
- Remove air guide pipe. Refer to --> [ Air Guide Pipe ] Service and Repair.
- Loosen hose clamp - 1 - and remove bolts - 3 -.
- Remove crankcase ventilation hose - 2 -.
- Remove bolts - 3 through 5 - and remove crankcase ventilation pressure regulator valve.
- Remove oil runoff hose - 1 -.
• To improve clarity, the removed engine is shown from the rear.
• Bolts - 3 - and - 4 - are only on vehicles with an aluminum intake manifold.
- Remove crankcase ventilation hoses - 1 - and - 3 - together with coolant line - 2 -.
• To improve clarity, the removed engine is shown from the rear.
- Remove vacuum hose - arrow - from intake manifold.
- Disconnect electrical connection - 1 - at throttle valve control module (J338).
- Remove bolts - arrows - and remove throttle valve control module (J338).
• To improve clarity, the removed engine is shown from the rear.
- Remove electrical connectors - 1 - and - 4 - from brackets and disconnect them.
- Remove nuts - 2 - and - 3 -.
- Remove engine wiring harness bracket from coolant pipe and set it to the rear.
• To improve clarity, the removed engine is shown from the rear.
- Extract hydraulic oil for power steering from reservoir using old oil collecting and extracting device (VAG 1782).
• Place a cloth under separating point to catch leaking hydraulic fluid.
- Remove hose from power steering fluid reservoir - arrow -.
• Place a cloth under separating point to catch leaking hydraulic fluid.
- Remove bolts - 1 - and nut - 2 - and remove power steering supply pipe.
- Remove bolt - 1 - and remove oil dipstick guide tube upward and out - arrow -.
- Remove coolant hose - arrows -.
- Disconnect electrical harness connector - arrow - at Camshaft Position (CMP) sensor 4 (G301).
- Remove the bolts - 1 - and - 2 -.
- Remove left coolant pipe from coolant hoses - arrows -.
Installing
Installation is performed in reverse order of removal, noting the following:
• Replace O-rings.
• Secure all hose connections with hose clamps appropriate for the model.
- Replace O-ring at guide tube for oil dipstick and insert guide tube into hole in upper oil pan.
- Fill hydraulic oil in power steering reservoir and bleed system.
- Fill cooling system. Refer to --> [ Filling ] Procedures.
Tightening Specifications
