Note: When installing, fit all heat shields in place.
Remove the top engine cover. Drain coolant. Remove the lower coolant pipe. Remove left coolant pipes. Remove intake pipe.
For vehicles with engine code CLHA, CLHB, CKFB, CKFC, CUPA, CRVC
Open the heat shield -1-. Pull electrical connector -4- out of bracket, unplug and move electrical cable clear. Unplug electrical connectors -3, 5- and move wiring harness clear. Remove screw -2- and move bracket with differential pressure sender -G505- back.
For vehicles with engine code CRKB
Open the heat shield -1-. Unplug electrical connectors -3, 4, 5, 6- and move wiring harness clear. Remove screw -2-.
Disconnect vacuum hose -arrow- and lay to one side. Remove holder with differential pressure sensors and place back.
All
Detach hose -1- for crankcase breather from cylinder head cover by pressing hose clips. Unclip vacuum hoses -arrows- at breather pipe. Unscrew screw -2-, move air duct with intake manifold connection to rear and detach from turbocharger. -Position 3- ignore.
Loosen clamp -1- and remove coolant hose. Loosen screw -2-, unscrew screw -3- and swivel coolant hose to one side.
Disconnect connectors and release wiring harnesses.
2. Exhaust gas temperature sender 4 -G648-
3. Exhaust gas temperature sender 3 -G495-
4. Lambda probe -G39-
Vehicles with auxiliary heater
Unscrew nuts -arrows- and press coolant pipes slightly to one side. -Positions 1, 2, 3 - ignore.
Vehicles with all-wheel drive
Detach right drive shaft from bevel gear.
All
Press heat shield aside and unplug connector -5-. Loosen hose clamp -3- and remove air hose. Loosen clamp -4- and remove coolant hose. Remove screw -1- and loosen screw -2-. -Position 6- ignore.
Remove screw -1- and remove clamping sleeve. Loosen pin -2- and press coolant pipe back a little. Unscrew bolts -arrows-, press back exhaust gas aftertreatment unit and exhaust gas recirculation cooler.
Loosen clamp -1- and remove coolant hose. Unscrew pin -2- and screw -3-, remove rear right coolant pipe.
Installation
Installation in reverse order.
Note: Replace sealing ring after removal. To secure all hose connections, use original spring clamps, similar to those installed at the factory.
Install the exhaust gas aftertreatment module. Install intake pipe. Install the rear coolant pipe. Install left coolant pipes Fill coolant.