Porsche 924S/944 air-oil separator: what it does and how to reseal it
The 924S/944 air-oil separator is a swirl tube with four seals. What it does, why old seals cause vacuum leaks, and how to rebuild it.
How-tos, maintenance tips, and guides for your 924S and 944.
The 924S/944 air-oil separator is a swirl tube with four seals. What it does, why old seals cause vacuum leaks, and how to rebuild it.
Cold-engine method: fill block and head, crack the 12 mm bleed screw, and clear airlocks without jacking the car at odd angles.
Replacing the oil sump gasket on a 924S/944 without pulling the engine can be fiddly. One simple trick PTFE tape or dental floss holds the gasket in place during refitting.
Cranks with no tach, stalls, or won't start hot? Test, replace and set clearance on the 924S/944 bell-housing speed and reference sensors.
DOT 3, 4, 5 or 5.1: which brake fluid for Porsche 924, 944 and 968, and why it matters for safety.