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0506htp Fresh 14 Z

The belt tensioner is loosened with a 13mm wrench; a 16mm, six-point impact socket removes the harmonic balancer bolts. Keep the belt on for tension if you use the breaker bar approach. After many years, the balancer may be frozen on; use a penetrant spray and a rub-ber hammer to loosen it, and then use a puller (GM PN 39046 or equivalent).
LT1 - High Mileage - Old School

 The belt tensioner is loosened with a 13mm wrench; a 16mm, six-point impact socket removes the harmonic balancer bolts. Keep the belt on for tension if you use the breaker bar approach. After many years, the balancer may be frozen on; use a penetrant spray and a rub-ber hammer to loosen it, and then use a puller (GM PN 39046 or equivalent).  View Related Article

 

 

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