How to Add Manual Transmission FluidHere is how to add fluid. See Recommended Fluidsand Lubricants on page 6-13 to determine which type offluid to use.1. Remove the filler plug.2. Add fluid at the filler plug hole. Add only enoughfluid to bring the fluid level up to the bottom of thefiller plug hole.3. If your vehicle is a CTS, replace the gasket andreinstall the filler plug. If your vehicle is a CTS-V,apply LOCTITE ® #516 or equivalent sealant tothe threads and then reinstall the filler plug.Again, with either vehicle, be sure the plug isfully seated.Hydraulic ClutchIt is not necessary to regularly check clutch fluidunless you suspect there is a leak in the system.Adding fluid will not correct a leak.A fluid loss in this system could indicate a problem.Have the system inspected and repaired.When to Check and What to UseThe hydraulic clutch fluidreservoir cap has thissymbol on it. See EngineCompartment Overviewon page 5-12 for reservoirlocation.Refer to the Maintenance Schedule to determine howoften you should check the fluid level in your clutchmaster cylinder reservoir and for the proper fluid to use.See Owner Checks and Services on page 6-9 andRecommended Fluids and Lubricants on page 6-13.How to Check and Add FluidMake sure the fluid level is at the MIN (Minimum)line on the side of the reservoir. If it is not, removethe cap and add the proper fluid until the level reachesthe MIN line.5-25
