C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
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Disconnect the oxygen sensor electrical connector (1).
5. If equipped with a 6.0L or 8.1L engine, perform the following:
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Disconnect the CPA retainer.
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Disconnect the oxygen sensor electrical connector (1).
6. Support the catalytic converter or exhaust manifold pipe with adjustable jackstands.
7. If equipped with a 4.3L, 4.8L, or 5.3L engine, remove the left exhaust manifold pipe nuts.
8. If equipped with a 4.3L, 4.8L, or 5.3L engine, remove the right exhaust manifold pipe nuts.
