WebDec 23, 2015 · The TH400 ( Figure 1) has four endplay tolerances (NOT to be confused with clutch clearances) that should be examined and corrected during repair. However, GM’s published rebuild procedure only references two of them! With two endplay tolerances being ignored, you can imagine why these meltdowns are occurring. Figure 1. WebJan 21, 2024 · GM TURBO TH400 TRANSMISSION SPEEDOMETER GEAR RECALIBRATION KIT DRIVEN GEARS Included in Kit: Speedometer Gear housing w/Inner & Outer Seals Y-Bracket w/Standard & Metric Bolts DRIVEN GEARS: DRIVE GEARS: 40 Black 15 Grey 41 Yellow 42 Green 43 Blue 44 Grey 45 Olive Gears Meet or Exceed OEM Quality Gears have a …
The Great Chevy Auto Trans Interchange Guide - Street Muscle
WebTH/THM-400/3L80-HD. 3.4 3.4 out of 5 stars (2) Small Business. Small Business. Shop products from small business brands sold in Amazon’s store. Discover more about the small businesses partnering with Amazon and Amazon’s commitment to empowering them. Learn more. Governor (Holes In Weights) GM TH400 / 3L80 1964-On. WebDec 17, 2024 · Safeguard performance GM TH400 and 4L80-E vehicles on the street and track with reliable, high-strength servo upgrades from Sonnax – the leader in transmission innovation. New for fall 2024, Sonnax […] plates clanging
The GM TH400 Transmission: An Overview - Gearstar
WebFeb 26, 2024 · Learn a few facts about my favorite transmissions of all time, the Turbo-Hydramatic (THM) 400 / 425 produced by General Motors. WebOverview of the GM TH400 Transmission. The TH400 or Turbo 400 is a good transmission that was used in several cars years ago. This popular transmission was found in GM’s … Web400 -1&-2 THM 400 1965-UP Automatic shift; Street or full-race; Holds 1st and 2nd to any rpm; ... Tow & Go and Competition combination in the same box with illustrated … plate scratching noises