Vehicle exhaust system Volkswagen Touareg 1

Exhaust gas system
Fig. 2.297. Muffler with fasteners: 1 - double clamp, 40 Nm; 2 - resonator; 3 - bolt, 25 Nm; 4 - hanging mount; 5 - incision site; 6 - muffler; 7 - hanging mount; 8 - double...

Exhaust system alignment
Condition The exhaust system must cool down. Work execution procedure Move the entire exhaust system in direction of travel 1 and tighten the double clamps until dimension a is...

Removal and installation of the exhaust manifold and inlet pipe with primary catalytic converters
Removal Disconnect the wires from the battery. NOTE: Be sure to follow the order in which the work is performed. Disconnect vacuum hoses 1-3 from the intake manifold (see fig....

Secondary air supply system
Operating principle During a cold start (coolant temperature: +15...+35°C), the secondary air supply system supplies air behind the exhaust valves for 65 s. Due to this, the...

Checking the combination valve
Verification conditions The vacuum pipes and hose connections must be tight. The vacuum pipes are not bent or clogged. Verification procedure Disconnect the vacuum hose of the...

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