HUMMER H1 (1992-2006) SERVICE WORKSHOP MANUAL IN PDF FORMAT (1159 PAGES) SUPPLIED BOTH AS DOWNLOADABLE LINK.
This is the same type of service manual your local HUMMER dealer will use when doing a repair. This manual has detailed illustrations as well as step by step instructions. All pages are printable, so run off what you need and take it with you into the garage or workshop.
POWERTRAIN Engine 6.2 L Detroit Diesel V8 6.5 L Detroit Diesel V8 5.7 L L05 V8 6.5 L turbo Detroit Diesel V8 6.6 L turbo Duramax Diesel V8 Transmission GM TH400/3L80 3-speed automatic GM 4L80-E 4-speed automatic Allison 1000 5-speed automatic
