Installing the exhaust manifold: Installation

Fig 1: Identifying Exhaust Manifold Components

Courtesy of VOLVO CARS OF NORTH AMERICA.

Clean the mating surfaces.

Install the exhaust manifold. Use new  gaskets.

Secure the exhaust manifold to the cylinder head. Tighten to 25 Nm  . Begin tightening from the center.

Install the support bracket for the exhaust manifold. Tighten to 24 Nm  .

Clean the surface thoroughly.

Insert the lower oil pipe in the cylinder block. Use a new O-ring. Secure the turbocharger (TC) to the exhaust manifold. Tighten to 45 Nm  . One of the nuts must be tightened from underneath.

Install: 

• the upper oil pipe connection. Tighten to 24 Nm 
• both radiator connections. Tighten to 25 Nm  . Remove the hose clips
• the front heated oxygen sensor (HO2S). See Information missing 
• the exhaust manifold and firewall heat shields
• the hose at the air cleaner. The hose for the charge air cooler (CAC)
• the engine cover. The relay cover
• the bracket for the oil pipe
• the front exhaust pipe. Use a new gasket. See Installing turbocharger (TC) components 
• the rear engine cover.