Manual Gear Transmission Oil Change Instructions
August 15, 2001 - CelicaGarage
You will need the following items
2.3 liters of 75w90 GL4 or GL5 gear oil (GT uses only 1.9 liters)
Suggest using Redline 75w95NS oil. (don't use Redline 75w90) without the NS
Full Synthetic is the best!
10mm, 17mm, 24mm socket wrench
1. You will need to take the driver's side plastic engine cover off.
2. You will need to remove the fill and drain plugs as shown below. Make sure not to lose the metal gasket with the bolts.
3. After it's drained, use a funnel and tube like this. Open the hood and drop the tubing down into the engine compartment and into the fill hole. Plug up the drain hole.
4. Fill with the proper amount of oil. You have the right amount when the oil starts to leak out the fill hole. should be about 2.3 liter for a GTS and 1.9 liters for a GT. Plug up the fill hole and replace the plastic cover on the bottom of the car. You are done.
My car feels so much smoother now when shifting. It's like a got a new car now.