GM 200-4R 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

With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop.

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Related Units

Related Parts

Required

Recommended

200-4R, 3T40 (TH125C), 4L60, 4L60-E, 4L65-E, 4L70-E

Pump Vane 1280

Helps cure:

• Lost or damaged component

Required

Recommended

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E

Pump Slide Pivot Pin 65797

Helps cure:

• Low line pressure
• High line pressure

Required

Recommended

200-4R, 4L60

Line Pressure Booster Kit 700R4-LB1

Required

Recommended

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E, 5L40-E, 5L50-E, Powerglide

Bushing 77005T

• Bushing Style: Precision
• Material: Bimetal, PTFE-lined

Helps cure:

• Worn pump bushing

Required

Recommended

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E

Enhanced Performance Accumulator Spring 77704S

Required

Recommended

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E

Pump Slide Spring 77722-01K

Required

Recommended

200-4R, 4L60, 4L60-E

Accumulator Valve Train Kit 77777L-K

Fits "L" version valve trains in light/medium weight vehicles, .330" dia. Fits 4L60 '87-later auxiliary valve body styles only.

Helps cure:

• 1-2 Bang at light throttle
• Reduced 2-4 band life

Required

Recommended

200-4R, 4L60, 4L60-E

Accumulator Valve Train Kit 77777M-K

Fits "M" version valve trains in heavy weight vehicles, .341" dia. In 4L60, fits '87-later auxiliary valve body styles only.

Helps cure:

• 1-2 Bang at light throttle
• Reduced 2-4 band life

Required

Recommended

200-4R, 4L60, 4L60-E

TCC Apply Valve Kit 77805-K

Fits non-PWM units only.

Helps cure:

• No lockup
• Falls out of lockup when hot
• Fluid blown out fill tube
• Lockup immediately after 2nd gear

Required

Recommended

200-4R, 4L60

TV Boost Valve Kit 77917-02K

.423" Bore Dia., Factory Style

Helps cure:

• Soft slide shifts
• 3-4 Clutch burned
• Reduced band life

Required

Recommended

200-4R, 4L60

TV Boost Valve Kit 77917-03K

.471" Bore Dia., Factory Style Sleeve

Helps cure:

• Soft slide shifts
• 3-4 Clutch burned
• Reduced band life

Required

Recommended

200-4R, 4L60

TV Boost Valve Kit 77917-04K

.500" Bore Dia., Factory-Style Sleeve

Helps cure:

• Soft slide shifts
• 3-4 Clutch burned
• Reduced band life

Required

Recommended

200-4R, 4L60

Oversized Pressure Regulator Valve 77917-06

Helps cure:

• Erratic line pressure
• Low line rise
• Clutch slippage
• Excess pump noise
• 3-4 Clutch failure

Required

Recommended

200-4R, 4L60

Elevated Pressure Main Pressure Regulator Spring 77917-08

Helps cure:

• Low base line pressure

Required

Recommended

200-4R, 4L60

TV Boost Valve Kit 77917-471

.471" Bore Dia., O-Ring Style

Helps cure:

• Soft slide shifts
• 3-4 Clutch burned
• Reduced band life

Required

Recommended

200-4R, 4L60

TV Boost Valve Kit 77917-500

.500" Bore Dia., O-Ring Style

Helps cure:

• Soft slide shifts
• 3-4 Clutch burned
• Reduced band life

Required

Recommended

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E

Pump Spring Spacer 77917-RV

Helps cure:

• Erratic line pressure

Required

Recommended

200-4R, 4L60, TH200, TH200C

TV Plunger Spring 77968-01K

Helps cure:

• Low throttle pressure
• Low line pressure

Required

Recommended

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E

Pinless Accumulator Piston Kit 77998-03K

In 200-4R applications, this kit can only be used in the 3-4 accumulator location.

Helps cure:

• Poor shift quality
• Burnt clutches & bands

Required

Recommended

200-4R, 4L60

Reverse Boost Valve Kit K77898

Large Ratio, O-Ring Style

Helps cure:

• Low Reverse boost
• Delayed Reverse
• Low line pressure
• Poor upshift in manual low

Required

Recommended

200-4R, 4L60

Reverse Boost Valve Kit K77898A

Large Ratio, Factory Style, No O-Rings

Helps cure:

• Low Reverse boost
• Delayed Reverse
• Low line pressure
• Poor upshift in manual low

While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time.