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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (3.6L - Cooling System - Engine Code(S): BHK) >> 19 Cooling System >> Coolant Pump, Coolant Thermostat And Coolant Pipes >> Small Left Coolant Pipe, Removing And Installing

Small Left Coolant Pipe, Removing And Installing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required 

Removal

Proceed as follows:

NOTE:

When Installation, bring all cable ties back to same positions.

-- Drain the coolant, refer to COOLANT, DRAINING AND FILLING .

Fig 1: Identifying Coolant Hose From -1- From Connecting Pieces
GWWA19-10390Courtesy of AUDI OF AMERICA, LLC

-- Disconnect coolant hose from -1- from connecting pieces.

NOTE:

Ignore -arrows-.

-- Remove coolant hose -2- from connecting pieces and free up coolant hoses to intake manifold.

Fig 2: Identifying Bolts -Arrows- On Coolant Connecting Pieces
GWWA19-10391Courtesy of AUDI OF AMERICA, LLC

-- Move coolant houses forward.

NOTE:

Ignore -Items 1, 3 and arrows-.

-- Free up electrical connector -1- for Engine Speed Sensor -G28- on oil dipstick guide tube.

Fig 3: Guide Tube for Oil Dipstick
GWWA15-10325Courtesy of AUDI OF AMERICA, LLC

-- Free up B+ wire -arrow- on oil dipstick guide tube.

-- Remove bolt -2- and remove oil dipstick guide tube.

-- Disconnect vacuum hose -1-.

Fig 4: Locating Intake Manifold Runner Control (IMRC) Valve -N316-
GWWA24-10365Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -arrow- on theIntake Manifold Runner Control Valve -N316-, unclip he valve from the bracket and lay it aside.

-- Free up electrical wires on small left coolant pipe.

-- Loosen bolt -1- and remove bolt -2-.

Fig 5: Locating Coolant Pipe Bolts
GWWA19-10395Courtesy of AUDI OF AMERICA, LLC

-- Remove small left coolant pipe from intake manifold and remove from coolant hoses -arrows-.

Installation

Install in reverse order of removal. Note the following:

NOTE:

Replace the o-ring.

-- Install oil dipstick guide tube, refer to Figure.

Fig 6: Guide Tube for Oil Dipstick
GWWA15-10325Courtesy of AUDI OF AMERICA, LLC

-- Fill the coolant, refer to COOLANT, DRAINING AND FILLING .