GM 6L45, 6L50, 6L80, 6L90 Valve Body Layout
Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Each layout:
Displays an exploded view location guide for individual valve trains
Identifies symptoms and recommended solutions for quality rebuilds
Provides active links to view specific part details
Lists any tools/fixtures required for part installation
Illustrates correct part orientation
more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop.
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Helps cure: Lost or damaged component
Helps cure: High TCC slip RPM
Excess converter pressure
Fits any of 3 locations
Helps cure: Shift quality is not load sensitive
Clutch pressure solenoid codes
Slips & flares
Fits mid '10–earlier. Compatible with all models except early, 1st design 6L80 plate 24246916.
Helps cure: Code P0751
1-2-3-4 Clutch burned
3-5-Reverse clutch burned
Cruise control disabled
Helps cure: Code P0741, P0742
High TCC slip RPM
Harsh TCC apply
Loss of fuel economy
Helps cure: Solenoid performance codes
Wrong gear starts
Helps cure: Erratic line pressure
High line pressure
Low line pressure
Low cooler flow
No cooler flow
Helps cure: Vibration
Helps cure: Excess endplay
Bushing Style: Precision
Material: PTFE-Impregnated Bimetal
Housing Bore: 1.994"
Shaft Dia.: 1.834"
Helps cure: Premature wear & bushing failure
Excess converter hub-to-bushing clearance
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