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How To Repair Chevy 1949-1954 6 Volt Horn

Information about rebuild transmission GM 6L45 /50, 6L80 /90

6L 45/6L 80 is a compact, hello-tech and reliable transmission, which features an automatic command over most of gearbox functions. This improves both dispatch functioning and fuel economy.

When properly operated and regularly maintained, this gearbox is able to attain the point over 200 000 km before the overhaul.

Proper maintenance means, first of all, regular ATF changes every fifty 000 km. It is strongly recommended to apply genuine filters and high-quality ATF only.

6L45/50 and 6L80/ninety Transmission Bug

Otherwise, malfunction of the valve torso and its solenoid valves is most likely because of contagion past products of the wear. This is the main reason to repair 6L 45/6L 80 gearbox, which is caused by transmission overheating and oil starvation.

Other valve trunk problems may occur at the mileage of 300 000 km. The most typical symptoms of the malfunction are vibrations, grinding noise, strikes and transmission slipping at the gear shifting. In some cases, engine fully stops while engaging from «Parking» to «Bulldoze» modes. Also, bug with cable harnesses (which connects sensors with the central processor) are possible.

Rarely, at greater mileages friction and steels breakages tin happen. This requires the expensive gearbox overhaul, which is very expensive.

6L45 Slipping / No Forward

6L transmission No Contrary (no R)

Teardown Video

6L80 Rebuild Video

6L80 Slips/Revs when shifting

Rebuild Tips

6L80/6L90 Fluid change

Capacity: 8.9QTS

Fluid Type: Dexron half dozen

How to check Fluid Level 6L80?

Manual scheme

6l45e_scheme

6L45 6L80 Solenoids in Valve Body

6L45 Solenoids

Solenoids Work

6L45_6L80_6L90_solenoids_work

6L45 6L80 Clutch Work

6L45 6L80 6L90 Clutch

Parts for rebuild 6L80/6L90 transmission

What exercise y'all need for repair?

Main kits

Solenoids and Valve Body

Torque converter

Other Parts

Source: https://at-manuals.com/manuals/gm-6l45-50-6l80-90/

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