T a k e out two pipe plugs (1 and 2).
A rust colored stain on cylinder head (3) below expansion
p l u g s (4, 5, 6, and 7) means there is coolant leakage.
S o m e cylinder heads (3) do not have three expansion
Check that three expansion plugs (4), three expansion plugs (5), expansion
p l u g (6), and expansion plug (7) show no signs of coolant leakage.
If any expansion plug (4, 5, 6 or 7) shows signs of coolant leakage, punch
hole in plug and pry it out. Put in new plug using brass rod and hammer.
END OF TASK