Honda Prelude 1993 Service Manual page 137

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Valve Clearance

. Valves should be adjusted cold when the cylinder head

temperature is less than 1oOoF (38oC).

. After adjusting, retorque the crankshaft pulley bolt to

220 N.m (22.0 ks-m, 159 lb-ft)

1. Remove the cylinder head cover

Set No. 1 piston at TDC.

"UP" marks on the camshaft

pulleys should be attop. and TDC Arooves on the cam-

shaft pulleys should align with cylinder head surface.

Number 1 fiston at TDC:

Align the marks

on the pulleys.

Adjust valves on No. 1 cylinder.

Valve Cl6a?anca:

lntak€: 0.07-O.11 mm (O.0O3-0.0O4 in)

Exhaust: 0.15-0.19 mm (0.006-0.007 in)

Loosen locknut and turn adjusting screw until feeler

gaugeslides back andJonh with slight amountofdrag.

27 N.m {2.7 kg-m. 20 lb-ftl

Apply ongine oil.

Tighten the locknut and check clearance ag8in. Repeat

adjustment if necessary.

Troubleshooting