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The 1/2 tons used the 4L60E and the 3/4 tons used the 4L80E.
5W30
87 is the minimum.
Dexron 3.
1999 was the first year it was used in the Silverado.
1/2 tons used the 4L60E. The 3/4 tons used the 4L80E in them.
1/2 tons used the 4L60E. The 3/4 tons used the 4L80E
Engine diagrams can be used as guides when it comes times to making necessary changes. An engine diagram to a 1999 Chevy Astro Van can be found in its maintenance and repair manuals.
The 1999 K1500 had the 4L60E automatic trans. Not sure which standard trans was used.
1/2 tons used the 4L60E. The 3/4 tons used the 4L80E
The 1/2 tons used the 4L60E and the 3/4 tons used the 4L80E transmissions.
1/2 tons used the 4L60E transmission and the 3/4 tons used the 4L80E in them.