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Isuzu
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1990
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Impulse Automatic
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Valve Adjustment Intervals
Valve Adjustment Intervals
ADJUSTMENT INTERVALS
Application
Interval (Miles)
Valve Clearance
Amigo & Pickup
15,000
Impulse
60,000
Trooper 2.6L
(1)
15,000
(1)
On Trooper 2.8L models, adjustment is only required when engine is repaired. No adjustment interval is given from manufacturer.