Index Nissan Nissan PULSAR N13 Series / ASTRA LD Series (1.6 and 1.8 Liter) 1987 – 1991 year - Service Manual
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Engine
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Dismantled view of the camshaft housing and components. (10) If the measurement is not within Specifica- tions, check the retaining plate and the retaining plate (11) Disconnect the lower radiator hose and drain the cooling system. NOTE: If the coolant is to be reused, drain
(12) Remove the bolts securing the camshaft drive belt inner cover to the camshaft housing. (13) Remove the cylinder head bolts in the re- verse order of the tightening sequence, backing off NOTE: Do not loosen the cylinder head
(14) Remove the cylinder head bolts and lift the camshaft housing from the cylinder head. (15) The rocker arms, thrust pads and tappet assemblies can now be removed from the cylinder (16) From the distributor drive end of the cam- shaft housing, remove the bolts securing the camshaft (17) Withdraw the camshaft from the camshaft housing taking care to support the camshaft to avoid (18) With a pointed drift, tap a small hole in the front face of the oil seal. Insert a self tapping screw in TO CLEAN AND INSPECT
(1) Wash all parts in cleaning solvent and dry with compressed air. Ensure that all oil ways in the (2) Check the camshaft lobes, the rocker arms. the thrust pads and the tappet assemblies for pitting
(3) Support the camshaft at each end on Vee blocks and using a dial gauge with its plunger bearing (4) Using micrometers, measure the outside of each camshaft journal and the inside of each camshaft (5) Check the retaining plate and the retaining plate groove in the camshaft for wear and scoring.
Dismantled view of the valve operating components . TO INSTAL
Installation is a reversal of the removal procedure with attention to the following points:
(1) Lubricate the lip of a new oil seal with engine oil and position the seal squarely in the camshaft (2) Apply clean engine oil to the camshaft bear- ings and camshaft journals. Insert the camshaft into (3) Apply engine oil to the camshaft retaining plate and position it in the groove in the camshaft. |