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Exhaust Camshaft Installation

Special Tools

EN-50433 Adaptor - Exhaust Camshaft Sprocket Fixing

For equivalent regional tools, refer to Special Tools .

  1. Ensure that the crankshaft is 90° beyond TDC of combustion stroke of cylinder 1.

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    Caution: Use extreme care when removing the camshaft not to nick, scratch, or damage the camshaft lobes or bearing surfaces.

    Note: Install the camshaft guides in order as removed.

    Note: Clean the contact surfaces from camshaft, camshaft sprocket and camshaft sprocket bolt.

  3. Coat the camshaft bearing surfaces with engine oil.
  4. Install the exhaust camshaft (4).
  5. Note: Tighten the camshaft seat guide cap from cylinder 2 at first.

  6. Install the 4 camshaft seat guide caps.
  7. Caution: Refer to Fastener Caution in the Preface section.

  8. Install the 8 camshaft seat guide cap retaining bolts (3) and tighten to 10 N·m (89 lb in).
  9. Install the camshaft seat guide cap (1).
  10. Install 4 camshaft seat guide cap retaining bolts (2) and tighten to 25 N·m (18 lb ft).

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  12. The arrows on the camshaft sprockets must align as shown (1).
  13. Remove the EN-50433 sprocket fixing (2) from the exhaust camshaft sprocket.

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  15. Rotate the engine 2 revolutions clockwise.
  16. Set crankshaft 90° beyond TDC of combustion stroke of cylinder 1.
  17. • The arrow on the inlet camshaft gear (1) must align with the arrow on the exhaust camshaft gear (2).
    • The notch in the camshaft sprocket (4) must align with the mark on the engine block (3)
   


© Copyright Chevrolet. All rights reserved
   


© Copyright Chevrolet. All rights reserved