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JohnC · 09-28-2010, 01:18 PM

FWIW- Detroit Diesel released a new Series 60 metal sandwich type head gasket in 2009 requiring the use of newer style head-bolts ( part #'s 23530768). Perhaps there was a head-gasket issue with higher mileage over-the-road trucks. The Newell service folks do not recall any head gasket issues with Series 60 engines in Newell Coaches.

.....and yes, unfortunately, or fortunately, there are 38 head bolts on a series 60 engine, and their torque is 220 lb-ft for a total of 8360 lb ft ..... and that's a 'whole bunch' of clamping pressure!

JohnC

09-28-2010, 01:18 PM	#12
JohnC Member Join Date: Aug 2006 Location: Grove Oklahoma Posts: 89	FWIW- Detroit Diesel released a new Series 60 metal sandwich type head gasket in 2009 requiring the use of newer style head-bolts ( part #'s 23530768). Perhaps there was a head-gasket issue with higher mileage over-the-road trucks. The Newell service folks do not recall any head gasket issues with Series 60 engines in Newell Coaches. .....and yes, unfortunately, or fortunately, there are 38 head bolts on a series 60 engine, and their torque is 220 lb-ft for a total of 8360 lb ft ..... and that's a 'whole bunch' of clamping pressure! JohnC