That depends on which 4.0 liter engine you have and what vehicle it is in
( Ford Mustang , Ranger , Explorer , and what model year )
The 4.0 liter EFI ( which is an overhead valve / pushrod design engine , the 8th " character " of your VIN is an " X " or
The 4.0 liter , SOHC , V6 engine ( the 8th " character " of your VIN is an " E " or possibly a " K " if it is a flex fuel engine
A little more information please
The 1999 Ford Ranger 3.0 liter water pump bolt torque specifications are 40 pounds. You do not want to torque the bolts to hard or they will break.
The 1996 Ford Escort 1.9 liter engine cylinder head bolt torque specification is 120 pounds. The head bolts should be torqued in 40 pound intervals.
The Chevrolet 2.2 liter engine had bolt torque specification is 120 pounds. The head bolts should be torqued in 40 pound intervals.
For a 2002 Ford Focus with a 2.0-liter engine, the torque specifications for the cylinder head bolts typically require an initial torque of 30 lb-ft (40 Nm), followed by a second stage of 60 lb-ft (81 Nm). Additionally, the bolts should be turned an additional 90 degrees in a third step. Always refer to a repair manual for your specific vehicle or consult a professional for the most accurate information.
Circa 40.
40 liters x $0.42 per liter is $16.80 16.80
The Ford Taurus head bolt torque specifications are 160 pounds per square inch. The head bolts should be torqued in 40 pound intervals.
53-70 in-lbs
For a 1995 Ford Explorer , 4.0 liter , EFI , V6 engine : With engine idling ( 30 PSI ) Key On / Engine Off ( 39 to 40 PSI )
On a 1995 Ford 4.0 liter V6 engine : I believe that is 39/40 PSI ( 30 PSI at idle ) fuel pressure
$40 to $60
10-40 SAE