Standard: 22.66 mm {0.89 in}
If it less than the specification, replace the piston return spring with a new one.
Fig. 249: Measuring Free Length Of Piston Return Spring
2. Inspect the lining of all drive plates. (B2)
If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away,
replace it with a new drive plate.
When replacing, inspect the contact surfaces between the retaining plate, driven plate and drive
plate.
If they are scratched or have changed color, replace with new parts.
Fig. 250: Identifying Print Mark Location
3. Using vernier callpers, measure the free length of the piston return spring.
B4 brake return spring free length
Standard: 13.84 mm {0.54 in}
NOTE:
Before replacing with new drive plates, soak them at least 2 h in
ATF.
2007 Mazda MX-5 Miata Sport
2006-08 TRANSMISSION Automatic Transmission Overhaul - MX-5 Miata & RX-8
Microsoft
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© 2005 Mitchell Repair Information Company, LLC.
