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Technical and reference articles about Hummers and related subjects.

Center Link Upgrade -- During the 1995 model year, AMG upgraded the centerlink.  Find out how to tell if you have the upgraded centerlink.

Front Springs -- Many different front springs are available.  Find out which version is right for your Hummer or HMMWV.

Recovery Gear Rating -- Learn how recovery gear is strength-rated.

Quick Reference -- Handy list of Hummer / HMMWV fastener torque requirements and more.

Starter Parts & Repair Procedures -- Detailed parts diagram and service procedures.

Year by Year Differences -- Summary of civilian Hummer differences and improvements by model year.

LED Headlight Comparison -- Pictures and analysis of currently available LED Headlights.