LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 874 (Engine - 3.0L (2V)) >> Specifications >> Piston

Section 874 (Engine - 3.0L (2V)): Specifications: Piston

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
PISTON

Item Specification
Diameter 
Coded Red 88.962-88.978 mm (3.5024-3.5031 in)
Coded Blue 88.988-89.004 mm (3.5035-3.5041 in)
Coded Yellow 89.014-89.030 mm (3.5045-3.5051 in)
Piston-to-Bore Clearance 0.030-0.056 mm (0.0012-0.0022 in)
Service Limit 0.081 mm Max.
Service Piston Selection d 
Piston Bore Diameter Service Piston Grade
Required
89.009-89.035 mm (3.5043-3.05053 in) Red
89.035-89.060 mm (3.5053-3.5063 in) Blue
89.060-89.086 mm (3.5063-3.5073 in) Yellow
Ring Groove Width 
Compression (Top) 1.530-1.555 mm (0.0602-0.0612 in)
Compression (Bottom) 1.530-1.555 mm (0.602-0.612 in)
Oil 4.030-4.055 mm (0.1587-0.1596 in)
Piston Pin 
Length 76.5-77.2 mm (3.012-3.039 in)
Diameter 23.162-23.175 mm (0.9119-0.9124 in)
Pin to Piston Clearance 0.005-0.012 mm (0.0002-0.0005 in)
Pin to Rod Clearance Press Kit 4 KiloNewtons (900 Lbs.)
Piston Pins 
Ring Width  
Compression (Top) 1.460-1.490 mm (0.0575-0.0587 in)
Compression (Bottom) 1.460-1.490 mm (0.0575-0.0587 in)
Oil Ring Side Seal - Snug Fit
Service Limit Side Clearance
0.15 mm Max. (0.006 in Max.)
Ring Gap  
Compression (Top)
(in Gauge)
0.25-0.50 mm (0.01-0.02 in)
Compression (Bottom)
(in Gauge)
0.25-0.50 mm (0.01-0.02 in)
Oil Ring (Steel Rail)
(in Gauge)
0.25-1.25 mm (0.010-0.049 in)
Side Clearance  
1st Ring 0.040-0.095 mm (0.0016-0.0037 in)
2nd Ring 0.040-0.095 mm (0.0016-0.0037 in)
  • Engine packages equipped with Tripminder: Return line must be closed when checking pressure.

d When replacing pistons, measure the cylinder bore as described in Section 303-00, and install the indicated service piston.