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and the press the charge air pipe slightly downward to reach the rear threaded connection on the vac‐ uum pump. – Remove the bolts -arrows-. camshaft. • Always replace the vacuum pump seal. – Install the vacuum pump -4- and tighten the bolts -arrows-. . – Tighten the charge air pipe bolts -item 15- . • Tightening specification -item 11- . – Connect the brake booster vacuum hose -1- to the vacuum pump. – Install the air filter housing. Refer to ⇒ “3.14 Overview - Air Filter”, page 335 . – Install the engine cover. Refer to ⇒ “1.4 Engine Cover, Removing and Installing”, page 90 . 1.9 Compression, Checking Note The compression can also be checking. Refer to Vehicle Diag‐ nostic Tester . Special tools and workshop equipment required defogger, must be switched off. Test Sequence – Install the Compression Tester Kit - Adapter 12 - VAG1381/12- in place of the glow plugs. – Check compression using the Compression Tester Kit - VAG1763- . 1. Cylinder Head 127 |