Turbocharger system components, removing and installing (engine code AAZ)
WARNING: This page is about a different car, the 1996 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Boost pressure control is switched off during part throttle operation by EGR part throttle switch -F166- and two-way valve for EGR -N161-
- Checking and adjusting part throttle switch, see EGR PART THROTTLE SWITCH, CHECKING AND ADJUSTING
- Checking two-way valve, see EGR TWO-WAY VALVE, CHECKING
The following list pertains to Fig 1 .
- Exhaust manifold
- 25 Nm (18 ft lb)
- Hose
- To Diesel injection pump
- Gasket
- Always replace
- Coating (beading) faces intake manifold
- Intake manifold
- 45 Nm (33 ft lb)
- Always replace
- Coat threads and bolt head sealing surfaces with high temperature (2000°F) anti-seize compound
- Gasket
- Always replace
- Note installation position
- To Positive Crankcase Ventilation (PCV) valve
- From Air Cleaner
- Turbocharger
- Removing and installing, see TURBOCHARGER, REMOVING AND INSTALLING (ENGINE CODE AAZ)
- Boost pressure, checking, see TURBOCHARGER, CHECKING (ENGINE CODE AAZ)
- Turbocharger wastegate
- Integral part of turbocharger cannot be replaced separately
- Hoses and lines, connecting, see TURBOCHARGER HOSES AND LINES, CONNECTING
- Oil return line
- To cylinder block
- Sealing rings
- Always replace
- Banjo bolt
- 30 Nm (22 ft lb)
- 30 Nm (22 ft lb)
- Front exhaust pipe
- Oil supply line
- From oil filter bracket, see LUBRICATION SYSTEM, COMPONENT LAYOUT
- Intake air hose
- Mounting bracket
- Between exhaust pipe and exhaust manifold