Withdrawal
Cars with a gasoline engine
1. Remove the engine (see relevant chapter).
2. Disconnect plugs 1 and 4 (left cylinder head) or plugs 1 and 2 (right cylinder head) lambda probes (see illustrations 6.2 and 6.2a) and release the wires from the fasteners.
6.2. Disconnect plugs 1 and 4 of lambda probes. Left cylinder head | 6.2a. Disconnect plugs 1 and 2 of lambda probes. Right cylinder head |
3. Disconnect the intake pipe from the exhaust manifold by unscrewing the nuts 1-3 of its fastening (see illustrations 6.3 and 6.3a).
6.3. Disconnect the intake pipe from the exhaust manifold by unscrewing the nuts 1-3 of its fastening. Left cylinder head | 6.3a. Disconnect the intake pipe from the exhaust manifold by unscrewing the nuts 1-3 of its fastening. Right cylinder head |
4. Disconnect the coolant line from the corresponding cylinder head by unscrewing the bolts and removing the fastening clamps (see illustration).
b.4. Disconnect the coolant pipeline from the right cylinder head by unscrewing bolts 1 and 2 and removing the fastening clamps (see arrows)
5. Unscrew the fastening nuts 1-12 and carefully remove the exhaust manifold (see illustrations 6.5 and 6.5a). The tightening torque of the nuts is 25 Nm.
6.5. Unscrew the fastening nuts 1-12 and carefully remove the exhaust manifold. Left cylinder head | 6.5a. Unscrew the fastening nuts 1-12 and carefully remove the exhaust manifold. Right cylinder head |
Vehicles with diesel engine Left cylinder head
6. Remove the downpipe with the main catalyst (see relevant chapter).
7. Remove the bolts (see arrows in illustration) and remove the turbocharger heat shield.
6.7. Unscrew the bolts (see arrows) and remove the turbocharger heat shield
8. Unscrew the nuts 1 fasteners remove the additional catalyst (see illustration). The tightening torque of the nuts is 25 Nm.
6.8. Unscrew the nuts 1 fastening and remove the additional catalyst
9. Unscrew the bolts (see arrows in illustration) and disconnect the connecting pipe from the flange.
6.9. Unscrew the bolts (see arrows) and disconnect the connecting pipe from the flange
10. Unscrew the fastening nuts (see arrows in illustration) and carefully remove the exhaust manifold together with the connecting pipe.
6.10. Loosen the fixing nuts (see arrows) and carefully remove the exhaust manifold together with the connecting pipe
Right cylinder head
11. Remove the cover 2 of the air filter and disconnect the air intake 1 (see illustration).
6.11. Remove the cover 2 of the air filter and disconnect the air intake 1
12. Remove the bolts (see arrows in illustration) fasteners and remove the top protective cover of the engine.
6.12. Unscrew the bolts (see arrows) fasteners and remove the top protective cover of the engine
13. Remove the clamp 3, disconnect the plug 4, then the hose 2, unscrew the bolt 1 and remove the air filter housing (see illustration).
6.13. Remove the clamp 3, disconnect the plug 4, then the hose 2, unscrew the bolt 1 and remove the air filter housing
14. Remove the bolts (see arrows in illustration) holders and remove the air supply hose from the turbocharger to the intercooler.
6.14. Unscrew the bolts (see arrows) holders and remove the air supply hose from the turbocharger to the intercooler
15. Remove the front right wheel.
16. Vehicles with parking heater. Unscrew the bolts (see arrows in illustration) attaching the heater outlet pipe to the engine mudguard.
6.16. Unscrew the bolts (see arrows) attaching the heater outlet pipe to the engine mudguard. Vehicles with parking heater
17. Unscrew the bolts / wring out the clamps 1-5 and remove the engine mudguard (see illustration).
6.17. Unscrew the bolts / wring out the clamps 1-5 and remove the engine mudguard
18. Unscrew the bolt 1, wring out the latch 2 and remove the protective shield of the right drive shaft (see illustration).
6.18. Unscrew the bolt 1, press the latch 2 and remove the protective shield of the right drive shaft
19. Unscrew the nuts (see arrows in illustration) and remove the exhaust manifold together with the connecting pipe.
6.19. Unscrew the nuts (see arrows) and remove the exhaust manifold together with the connecting pipe
Installation
Installation of a final collector is made in sequence, return to removal.
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