Dismantling and assembling intake manifold and intake manifold lower part — VW
Dismantling and assembling intake manifold and intake manifold lower part on VW: factory workshop procedure for engines AES.
Workshop procedure for VW — the factory write-up, straight from real workshop data.
🔧 Engine codes this applies to
📋 Procedure
ℹ️ Torque figures below come verbatim from workshop data — always cross-check against your vehicle's factory manual before final tightening.
10 Nm
H.T. cable guide
Vacuum hose
From secondary air inlet valve:
=> Repair group 26; Secondary air system; Removing and installing parts of secondary air system
Motronic injection and ignition system
Secondary air system
Removing and installing parts of secondary air system
T piece
Vacuum hose
To connection
=> Page
24-21
, item
11
Sealing plug
For test connection
Fuel pressure regulator
Checking => Page
24-100
O ring
Renew if damaged
Lightly oil before installing
Retaining clip
Check seated securely
Fuel pressure regulator bracket
Return pipe
Secure with spring-type clips
Check securely seated
Blue
To the fuel delivery unit in fuel tank
=> Repair Group 20; Removing and installing parts of fuel supply system; Removing and installing fuel tank with attachments and fuel filter
Motronic injection and ignition system
Removing and installing parts of fuel supply system
Removing and installing fuel tank with attachments and fuel filter
Supply pipe/hose
Secure with spring-type clips
Check securely seated
Black
From fuel filter:
=> Repair Group 20; Removing and installing parts of fuel supply system; Removing and installing fuel tank with attachments and fuel filter
Motronic injection and ignition system
Removing and installing parts of fuel supply system
Removing and installing fuel tank with attachments and fuel filter
Fuel supply pipe
Banjo bolt, 15 Nm
Oil seal
Renew
Connector
Black, 2-pin
For injector (N30...N33, N83, N84)
O ring
Renew
Lightly oil before installing
Injector (N30...N33, N83, N84)*/**
Removing and installing
=> Page
24-94
Remove from intake manifold lower part with extractor 3047 A
Checking => Page
24-96
Connector
For injectors (N30...N33, N83, N84)
25 Nm
Rear left support
Between intake manifold and cylinder head
Gasket for intake manifold lower part
Renew
Note fitting position
Intake rail - lower part
Removing and installing
=> Page
24-94
, removing and installing injectors
Dowel sleeve
Check seated securely
Intake manifold gasket
Renew
Note fitting position
Intake manifold
Removing and installing:
=> Repair group 15; Removing and installing cylinder head; Removing and installing cylinder head cover
Motronic injection and ignition system
Removing and installing cylinder head
Removing and installing cylinder head cover
Retainer
For secondary air pump motor:
=> Repair group 26; Secondary air system; Removing and installing parts of secondary air system
Motronic injection and ignition system
Secondary air system
Removing and installing parts of secondary air system
Hose connection
Secured to intake manifold lower part
Connecting hose
To intake hose
=> Page
24-25
, item
8
Rear right support
Between intake manifold and cylinder head
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.
Ask about my car →Other VW procedures
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- Checking engine operating mode
- Removing and installing crankshaft
- Removing and installing parts of cooling system
- Checking Lambda probe heating
- Removing engine · 41 torque figures
- Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
- Adjusting valve timing – VW Passat B5 · 83 torque figures
- Removing and installing camshafts – VW Passat B6 · 39 torque figures
- Removing and installing coolant pump · 53 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.