Peugeot 308: Tightening torques : Exhaust line

1. Exhaust line

N.B. : The factory fit rear exhaust line is monoblock.

1.1. Factory fitting (First assembly)

"a" Cutting zone (marked by burrs).

Marking	Description	Tightening torque
(1)	Nuts (Exhaust front bracket / Subframe)	0,8 daNm
(2)	Bolt (Exhaust rear hangers / Body)	0,8 daNm
(3)	Bolt (Exhaust rear hangers / Body)	0,8 daNm
(4)	Collar (Intermediate exhaust silencer / Front flexible pipe)	2,5 daNm

1.2. Factory fitting (Second assembly)

"a" Cutting zone (marked by burrs).

Marking	Description	Tightening torque
(1)	Nuts (Exhaust front bracket / Subframe)	0,8 daNm
(2)	Bolt (Exhaust rear hangers / Body)	0,8 daNm
(3)	Bolt (Exhaust rear hangers / Body)	0,8 daNm
(4)	Collar (Intermediate exhaust silencer / Front flexible pipe)	2,5 daNm

1.3. After-sales assembly (First assembly)

Connecting sleeve (50 mm diameter).

Marking	Description	Tightening torque
(5)	Nuts (Connecting sleeve CAILLAU)	2,1 daNm
	Nuts (Connecting sleeve TORCA)	3,5 daNm

1.4. After-sales assembly (Second assembly)

Connecting sleeve (50 mm diameter).

Marking	Description	Tightening torque
(5)	Nuts (Connecting sleeve CAILLAU)	2,1 daNm
	Nuts (Connecting sleeve TORCA)	3,5 daNm

2. Tunnel strengthener

Marking	Description	Tightening torque
(1)	Bolt (Tunnel strengthener / Body)	2 daNm
(2)	Bolt (Tunnel strengthener / Intermediate exhaust silencer)	0,8 daNm
(3)	Bolt (Tunnel strengthener / Body)	2 daNm
(4)	Bolt (Tunnel strengthener / Body)	2 daNm

3. Catalytic converter

Marking	Description	Tightening torque
(1)	Collar (Catalytic converter / Turbocharger)	2,5 daNm
(2)	Downstream oxygen sensor	5 daNm
(3)	Nuts (Catalytic converter / Support )	2,5 daNm
(4)	Nuts (Support / Cylinder block )	2,5 daNm
(5)	Nuts (Pressure take-off union / catalytic converter)	2 daNm
(6)	Upstream oxygen sensor	5 daNm

4. Particle filter differential pressure sensor

Marking	Description	Tightening torque
(1)	Nut (Particle filter differential pressure sensor / Support )	0,8 daNm