Fifth Avenue V6-231 3.8L VIN L FI (1992)
Fig. 7 Cylinder Head Bolts Location
6. Remove the 9 head bolts from each cylinder head and remove cylinder heads Fig. 7.
INSPECTION
1. Before cleaning, check for leaks, damage and cracks.
2. Clean cylinder head and oil passages.
Fig. 8 Check Cylinder Head
3. Check cylinder head for flatness Fig. 8.
4. Inspect all surfaces with a straightedge if there is any reason to suspect leakage. If out of flatness exceeds .019 mm (.00075 in.) times the span
length in inches in any direction, either replace head or lightly machine the head surface. As an example, if a 12 in. span is 1 mm (.004 in.) out of
flat, allowable is 12 x .019 mm (.00075 in.) equals .22 mm (.009 in.). This amount of out of flat is acceptable.
NOTE: Maximum of 0.2 mm (.008 in.) for grinding is permitted.
CAUTION: This is a combined total dimension of stock removal from cylinder head and block top surface.
