Removing and installing lower front coolant pipe — AUDI
Removing and installing lower front coolant pipe on Audi: 17 steps, engines CUUB, CUUC, CUUD, CUUE. What to remove, in what order, and what to check after.
Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: VW Caddy IV (SA, 2015–2020)
- Renewed: seals
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- Renew seals and O-rings after removal.Secure all hose connections with the hose clips corresponding to original equipment Electronic Parts Catalogue (ETKA).
📋 Procedure
- Remove oil filter housing .
- Remove air pipe .
- Remove bolts (arrows).
- Push bracket (1) with wiring harness to one side.
- Remove throttle valve module J338.
- Release clip (4).
- Pull off coolant hose.
- Remove bolts (arrows).
- Pull off locking clip (2).
- Pull thermostat housing (3) at bottom front off coolant pipe (1), and remove it.
- Loosen clip (1).
- Pull off coolant hose.
- Remove bolt (4).
- Pull off coolant pipe at bottom front (3), and remove it. [Note: Renew seals and O-rings after removal.Secure all hose connections with the hose clips corresponding to original equipment Electronic Parts Catalogue.]
- Clean and smoothen sealing surfaces for seals and O-rings.
- Lubricate seals and O-rings with coolant.
- Replenish coolant .
Other AUDI procedures
- Removing and installing valve stem seals (cylinder head installed) · 1 torque figures
- Checking fuel delivery rate, engine codes CUUA, CUUB – VW CUUA
- Removing and installing emission control module, RHD vehicles
- Removing and installing high-pressure accumulator (rail) · 3 torque figures
- Checking exhaust gas recirculation cooler for leaks
- Removing and installing toothed belt – Audi · 56 torque figures
- Removing engine – Audi A8 D3 · 41 torque figures
- Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
- Installing engine – Audi A8 D4 · 36 torque figures
- Removing and installing camshaft timing chain · 29 torque figures
Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.