XJ-Super V8 (X308) V8-4.0L SC (AJ27) (2002)
9. Remove the gasket from the front muffler flange at each side.
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Reposition the front silencer rearwards.
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Remove the gasket from each flange.
10. Remove the downpipe catalytic converter.
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Remove the bolts which secure the downpipe lower mounting bracket.
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Remove the downpipe assembly.
11. Remove gasket from the manifold flange.
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Clean and inspect the manifold joint faces.
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Clean and inspect the threads on the downpipe studs.
Installation
1. Fit a new gasket to the manifold mating flange on the downpipe.
2. Fit the downpipe catalytic converter.
1. Fit the downpipe assembly to the manifold.
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Fit, but do not fully tighten, the mounting bracket securing bolts. (Leave loose until the nuts securing the downpipe to the exhaust manifold