Turbocharger system components, removing and installing (engine codes 1Z, AHU)
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.
The following list pertains to Fig 1 .
- Exhaust manifold
- 35 Nm (26 ft lb)
- Always replace
- Coat threads and bolt head sealing surfaces with high temperature (2000°F) anti-seize compound
- Intake manifold
- From charge air cooler
- Hose
- Black
- To Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) - J248-
- Gasket
- Always replace
- Coating (beading) faces intake manifold
- 25 Nm (18 ft lb)
- Gasket
- Note installation position
- 25 Nm (18 ft lb)
- 10 Nm (7 ft lb)
- Install using D6
- Circlip
- Turbocharger wastegate
- Checking, see WASTEGATE, CHECKING (ENGINE CODES 1Z, AHU)
- Removing and installing, see WASTEGATE, REMOVING AND INSTALLING (ENGINE CODES 1Z, AHU)
- Hose
- Blue
- To wastegate bypass regulator valve -N75-
- Connecting, see TURBOCHARGER HOSES AND LINES, CONNECTING
- Oil seal
- Always replace
- Banjo bolt
- Nm (11 ft lb)
- From air cleaner
- O-ring
- Replace if damaged
- 10 Nm (7 ft lb)
- Banjo bolt
- 30 Nm (22 ft lb)
- Oil return line
- To cylinder block
- 30 Nm (22 ft lb)
- Gasket
- Always replace
- Retainer
- Hose
- Red
- To wastegate bypass regulator valve -N75-
- Connecting, see TURBOCHARGER HOSES AND LINES, CONNECTING
- Turbocharger
- Removing and installing, see TURBOCHARGER, REMOVING AND INSTALLING (ENGINE CODES 1Z, AHU)
- Boost pressure, checking, see TURBOCHARGER, CHECKING (ENGINE CODES 1Z, AHU)
- To charge air cooler
- Front exhaust pipe
- Oil supply line
- From oil filter bracket
- Heat shield