Checking oil pressure and oil pressure switch (engine codes CBFA, CCTA) — VW

🧭 Before you start

Fits: platform codes 5C7, 5C1

• Renewed: oil pump

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• Mechanical damage, e.g. to bearings, could also be the cause for oil pressure being too low.

🔧 Engine codes this applies to

📐 29 workshop diagrams for CBFA

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Pull connector off oil pressure switch F1.
2. Remove oil pressure switch F1(2) using 24 mm flex-head wrench T40175 and screw into oil pressure testerV.A.G 1342.
3. Screw tester into oil filter bracket in place of oil pressure switch.
4. Connect brown wire (1) of tester to earth (-).
5. Connect voltage testerV.A.G 1527 B to battery positive (+) and oil pressure switch using cables from auxiliary test setV.A.G 1594 C.

6. Renew 1.4 bar oil pressure switch F1.
7. Start engine and increase speed slowly:
8. Increase engine speed further:
9. Check strainer in oil suction pipe for contamination/soiling . [Note: Mechanical damage, e.g. to bearings, could also be the cause for oil pressure being too low.]
10. Renew oil pump .
11. Check oil channels.

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