I have a scored engine piston sleeve on a 3044C engine and I…

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CATMASTERTECH

Just found the max wear spec. This is the limit the machine shop would require a liner to be cut in and fitted for a block salvage.

Tolerances of Cylinder Bores

Standard at Assembly Repair Limit (1) Service Limit (2)

Inside Diameter

(original) 94.000 to 94.035 mm (3.7008 to 3.7022 inch)

(1) 94.200 mm (3.7087 inch)

(2) 94.700 mm (3.7283 inch)

Out of Round 0.010 mm (0.0004 inch) N/A N/A

Taper 0.015 mm (0.0006 inch) N/A N/A

( 1 ) Bore the cylinder to the specified oversize dimension if the repair limit has been reached.

( 2 ) Install a cylinder liner or replace the cylinder block if the service limit has been reached.

Piston Sleeve for the 3044 Engine Block
If a cylinder bore has a defect or excessive wear, a piston sleeve is available for repair. Use(###) ###-####Piston Sleeve to repair the cylinder bore. Use the following procedure to install the piston sleeve.

Set up a boring bar toevenly remove material from the cylinder walls.
The cylinder bore that is getting replaced must be bored to install the piston sleeve. The inside diameter of the cylinder bore should be 97.955 mm (3.8565 inch) to 97.990 mm (3.8579 inch).
Cool the piston sleeve to 0 °C (32.0 °F).
Install a new piston sleeve. Use the Sleeve Installer to install a replacement sleeve.
Press the piston sleeve into the cylinder block until the distance between the top of the piston sleeve and the top of the block is 0.30 mm (0.012 inch).
Mill the top of the piston sleeve until the piston sleeve is flush with the top of the cylinder block.
Bore the piston sleeve to a diameter of 94.000 mm (3.7008 inch) to 94.035 mm (3.7022 inch).
Hone the piston sleeve to a surface texture of 0.4 µm (15.75 µinch) to 0.8 µm (31.50 µinch).