- 1986–1990 Factory-verified
requires D85; the 1989 chart prints 7IA. 1986 from the 1986 passenger van pages in the kit file labelled 1985.
GM Heritage factory kit — 1985 Chevrolet Astro Van, p.9.GM Heritage factory kit — 1987 Chevrolet Astro Van, p.29.GM Heritage factory kit — 1988 Chevrolet Astro Van, p.9.GM Heritage factory kit — 1989 Chevrolet Astro Van, p.14.GM Heritage factory kit — 1990 Chevrolet Astro Van, p.8.
71A Factory-verified
Also documented for GMC
Documented applications
This page aggregates every documented appearance of 71A in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.