Edition IV 14330 pages indexed

A garage
service manual
for the MK3 Supra.

Twenty-five years of tech tips, factory service procedures, parts diagrams, and electrical schematics for the 1986–1992 Toyota Supra (A70). Mirrored, re-typeset, and built to read on a phone with greasy hands.

Sections

Tech Tips

Hands-on procedures from twenty-five years of MK3 ownership: head gasket FAQs, brake bleeding, oil analysis, timing.

37 articles

Library / TSRM

The factory Toyota Service Repair Manual for the MK3 Supra, scanned and digitised page by page.

Service manual

Library / EPC

Electronic Parts Catalog — exploded diagrams, part numbers, and assembly group listings.

Parts catalog

Library / TEWD

Toyota Electrical Wiring Diagrams. The schematic source of truth for chasing down every gremlin.

Wiring diagrams

Reference

Gasket digital library, Toyota technical articles, and the Physics of Racing series.

Long reads

Recent Tech Tips