Intake Manifold: Installing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2009 Audi S5, and 2008 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Replace Gaskets And O-Rings.

Secure all hose connections using hose clamps appropriate for the model type.

During Installation, All Cable Ties Must Be Re-Installed At The Same Location.

-- Check the gaskets in the intake manifold for damage and correct fit.

-- Make sure the hoses or cables do not get caught.

-- Tighten the intake manifold bolts in sequence -1 to 16-.

Fig 1: Identifying Intake Manifold, Tightening Specification & Sequence

Courtesy of AUDI OF AMERICA, LLC

Tightening Specifications. Refer to Figure.
Tightening Specifications. Refer to FUEL INJECTORS AND FUEL RAIL ASSEMBLY OVERVIEW .

Further Installation Is In Reverse Order.

NOTE:

High Pressure Line Connections Must Not Show Any Signs Of Damage.

Do not change the angles of the high pressure lines.

-- Hand-tighten the union nuts for the high-pressure lines.

-- Make sure the high-pressure lines are seated free of stress.

-- To tighten 14 mm diameter union nut on high pressure lines, use Torque Wrench:V.A.G 1331 with Socket Insert AF 14, open ring:V.A.G 1331/8 .

Fig 2: Fastening High-Pressure Line At Fuel Rail Using Torque Wrench V.A.G 1331 With Open End Wrench Socket V.A.G 1331/8

Courtesy of AUDI OF AMERICA, LLC

-- To tighten union nut (17 mm diameter) on high pressure lines, use Torque Wrench:V.A.G 1331 with Socket Insert, AF 17:V.A.G 1331/6 .

Fig 3: Identifying SW 17 Union Nut At Fuel Rail, Torque Wrench V.A.G 1331 And SW 17 Socket V.A.G 1331/6

Courtesy of AUDI OF AMERICA, LLC

-- Only install retaining tabs after high pressure lines have been tightened.

-- Observe safety precautions after connecting battery. Refer to BATTERY .

-- If necessary, fill the coolant. Refer to appropriate service information. .