Small Coolant Pipe

Special tools and workshop equipment required 

• Hose Clip Pliers V.A.G 1921

Removing 

-- Drain coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .

-- Remove the cover for the air guide; to do so disengage the side clips -arrows-.

Fig 1: Air Duct Cover Slide Clips

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-- Unclip the lower air guide, to do so disengage the clips -arrows-.

Fig 2: Identifying Lower Air Guide Clips

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-- Remove the lower air guide together with the air guide hose.

-- Disconnect electrical connector -1- on mass air flow (MAF) sensor -G70-.

Fig 3: Air Flow Housing, Electrical Connector And Guide Hose

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-- Remove the air guide hose -2-.

-- Remove the bolt -4- and the air filter housing.

-- Loosen the hose clamp -2-.

Fig 4: Air Guide Hose Bolts, Air Guide Pipe Hose Clamps & Electrical Harness Connector

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-- Remove bolt -4-.

-- Disconnect electrical connector -arrow-.

-- Remove the bolt -1- and remove the air guide pipe downward.

-- Remove the bolts -arrows- and remove the electrical connectors -1 through 3- from the bracket.

Fig 5: Electrical Connectors And Bolts

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-- Free up the wiring harness on the small coolant pipe -arrow-.

Fig 6: Coolant Hoses, Bolts And Coolant Pipe

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-- Remove bolts -2 and 3-.

-- Disconnect the small coolant pipe from the coolant pump and from the coolant hoses -1 and 4-.

Installing 

• Tightening specifications, refer to COOLANT PIPES ASSEMBLY OVERVIEW .

Installation is in reverse order of removal, note the following:

-- Air guides, installing with connector. Refer to HOSE CONNECTIONS WITH CONNECTOR COUPLINGS, ASSEMBLING

-- Fill with coolant COOLING SYSTEM, DRAINING AND FILLING .