B12 Piston soak MR2 Spyder, part 1 of 3 @GenXJeffstuff
B12 Piston soak MR2 Spyder, part 1 of 3  @GenXJeffstuff
Uploaded July 2026 | Updated September 2026, 3 days ago
In part 1 of this 3 part series I discuss the reason for a B12 piston soak and then go through the first few steps involved in performing this rehabilitation on a MR2 Spyder.

Take a look at part 2 and 3 for the completed job with oil consumption (before and after) results!

Steps covered:

1. Remove bottom cover
2. Disassemble top and remove plugs
3. 19mm turn crank clockwise till 2 sticks are level
4. Add ~100ml (1/2 cup) to each
5. Turn crank a few times, level with 2 sticks (keep holes covered or be splashed)
6. Cover 4 holes
7. Wait 6 hours
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GenXJeff |

B12 Piston soak MR2 Spyder, part 1 of 3

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