The slave cylinder on a 1988 Ranger can not be repaired. The cylinder will have to be replaced, then the system bled.
The slave cylinder for a manual transmission hydraulic clutch is inside the manual transmission bellhousing
you just replace it
Purchase a repair manual at most parts stores, ( around $12 ) for detailed instructions on this and many other repairs.
In a 1988 Pontiac Grand Am you will find the clutch slave cylinder located on the flywheel. You will need to remove the hush panel from the driver's side foot well to gain access to the clutch slave cylinder.
You will need to remove the transmission to replace the clutch slave.
i have a 1988 ford ranger xlt 4 cylinder and my spark size is 42-46 hope this will help
On the clutch slave cylinder
Yes , there was a 2.9 litre V6 engine available in a 1988 Ford Ranger , as well as the 2.0 and 2.3 litre four cylinder engines
The 2.0 liter 4 cylinder , the 2.3 liter 4 cylinder , or the 2.9 liter V6
Look for leaking fluid at the slave or master cylinder.
Should be on firewall next to master cylinder
Highest and lowest cylinders should not exceed a 10% difference