Inspect Valve Clearance

(a) Turn the crankshaft pulley, and align the timing notch with timing mark 0 of the No. 1 timing belt cover.

(b) Check that the valve lifters on the No. 1 timing belt cover (IN and EX) are both loose.

If not, turn the crankshaft 1 revolution (360-^ and align the mark as above.

A78541

RH Bank

RH Bank

2 2

(c) Check the valves indicated in the illustration on the left. (1) Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Valve clearance (Cold):

Item

Specified Condition

Intake

0.15 to 0.25 mm (0.006 to 0.010 in.)

Exhaust

0.25 to 0.35 mm (0.010 to 0.014 in.)

(2) Record valve clearance measurements that are out of the specified range. These measurements will be used later to determine the size of the adjustment shim to be installed.

RH Bank

LH Bank

RH Bank

Front

(d) Turn the crankshaft 2/3 of a revolution (240*, and check the valves indicated in the illustration on the left. (1) Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Valve clearance (Cold):

Item

Specified Condition

Intake

0.15 to 0.25 mm (0.006 to 0.010 in.)

Exhaust

0.25 to 0.35 mm (0.010 to 0.014 in.)

(2) Record valve clearance measurements that are out of the specified range. These measurements will be used later to determine the size of the adjustment shim to be installed.

RH Bank

RH Bank

LH Bank

LH Bank

(e) Turn the crankshaft 2/3 of a revolution (240-^, and check the valves indicated in the illustration on the left. (1) Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Valve clearance (Cold):

Item

Specified Condition

Intake

0.15 to 0.25 mm (0.006 to 0.010 in.)

Exhaust

0.25 to 0.35 mm (0.010 to 0.014 in.)

(2) Record valve clearance measurements that are out of the specified range. These measurements will be used later to determine the size of the adjustment shim to be installed.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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