Assembly overview - parts of cooling system (radiator with two fans), body side — VW
Assembly overview - parts of cooling system (radiator with two fans), body side on VW: factory workshop procedure for engines BCA, BUD, CGGA.
Workshop procedure for VW — the factory write-up, straight from real workshop data.
📐 12 workshop diagrams for BCA
Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.
📋 Procedure
ℹ️ Torque figures below come verbatim from workshop data — always cross-check against your vehicle's factory manual before final tightening.
Assembly overview - parts of cooling system (radiator with two fans), body side
WARNING
Steam may escape when expansion tank is opened. Wear eye protection and protective clothing to avoid eye injuries and scalding. Cover cap with cloth and open carefully.
Note
When the engine is warm, the cooling system is under pressure. If necessary, release pressure before beginning repair work.
Hoses are secured with spring-type clips. In case of repair, only use spring-type clips.
Spring-type clip pliers
VAS 5024A
are recommended for installation of spring-type clips.
When installing coolant hoses, route stress-free so that they do not come into contact with other components (observe markings on coolant connection and hose).
Caution
When doing any repair work, especially in the engine compartment, pay attention to the following due to the cramped conditions:
Route all the various lines (e.g. for fuel, hydraulics, activated charcoal filter system, coolant, refrigerant, brake fluid and vacuum) and electrical wiring in their original positions.
To avoid damage to lines, ensure sufficient clearance to all moving or hot components.
Upper coolant hose
Secured to radiator with retaining clip.
Check for secure seating.
Coolant hose schematic diagram
Chapter
.
O-ring
Renew.
Radiator
Removing and installing
Chapter
.
After renewing, renew entire coolant.
Cap
Check using
cooling system tester
V.A.G 1274
and
adapter for cooling system tester
V.A.G 1274/9
.
The pressure relief valve must open at a pressure of 1.4…1.6 bar
Connector
5 Nm
Expansion tank
Test cooling system for leaks using
cooling system tester
V.A.G 1274
and
adapter for cooling system tester
V.A.G 1274/8
.
Bracket
For radiator
5 Nm
Support
10 Nm
Cowling
5 Nm
Radiator fan 2
V177
Removing and installing
Chapter
.
Connector
Radiator fan
V7
Removing and installing
Chapter
.
Lower coolant hose
Secured to radiator with retaining clip.
Check for secure seating.
Coolant hose schematic diagram
Chapter
.
Retaining clip
Radiator outlet coolant temperature sender
G83
O-ring
Renew.
O-ring
Renew if damaged.
TorqFix answers live for your specific car — tell it the engine code and it serves the matching sequence, torque figures and wiring for that exact variant.
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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.