vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

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Intake manifold, remove and install (X 20XEV up to MY '96 1/2, C 18 XE, C 18 XEL and C 18 SEL) > < Exhaust manifold, remove and install (C 18 XE, C 18 XEL, C 18 SEL, X 18 XE X 20 XEV)

Astra F

 

Performance Header, Remove and Install (C 20 XE)  

Object Number: 616191 Size: DEFAULT  Remove, Disconnect   

Remove heat shield from performance header.  

Disconnect wiring harness plug of oxygen sensor.  

Remove fastening bolt (arrows) from exhaust joint and bracket.  

Versions with AC: remove oil dipstick guide tube/engine vent flange from cylinder block.  

Object Number: 2379394 Size: DEFAULT

Detach performance header from cylinder head and remove downwards.  

Object Number: 616195 Size: DEFAULT  Clean   

Clean sealing surfaces and remove sealant remnants.  

Object Number: 2388551 Size: DEFAULT

 

 

Object Number: 616192 Size: DEFAULT  Install, Connect   

Attach performance header with new seal and new fastening nuts to cylinder head - tightening torque 22 Nm.  

If removed: attach oil dipstick guide tube/engine vent flange to cylinder block - 25 Nm/18 lbf. ft.  

Attach performance header to exhaust joint - 12 Nm/9 lbf. ft.  

Attach performance header to bracket - 20 Nm/15 lbf. ft.  

Attach heat shield to performance header - tightening torque 8 Nm.  

Connect oxygen sensor wiring harness plug, paying attention to cabling.  

 

 

Intake manifold, remove and install (X 20XEV up to MY '96 1/2, C 18 XE, C 18 XEL and C 18 SEL) > < Exhaust manifold, remove and install (C 18 XE, C 18 XEL, C 18 SEL, X 18 XE X 20 XEV)