Contents: General specifications ↳ Tightening torques ↳
General specifications
| Cylinder numbers | (from the drive belt to the gearbox see figure 11.9) |
| Rear block | 1-2-3 |
| Front block | 4-5-6 |
| Firing order | 1-4-2-5-3-6 |
| Compression | See Chapter 2 Part C |
| Camshaft drive chain slack | 6 degrees |
| Nominal cam clearance | 2.235-0.48 mm (0.088-0.0189 in) |
Tightening torques
| Tightening torque values | N.m. | (foot pounds) |
| All engines: | ||
| Nut securing shock absorber bracket to shock support on right side | 28.5-40.7 | (21-30) |
| Bolts securing the shock absorber bracket to the shock support on the right side | 54.2-74.6 | (40-55) |
| Bolts securing the generator bracket to the shock absorber on the right side | 28.5-40.7 | (21-30) |
| Nuts securing the left side of the shock absorber bracket to the frame | 28.5-40.7 | (21-30) |
| Left shock absorber mounting bolts to bracket | 28.5-40.7 | (21-30) |
| Left bolt securing shock absorber to insulator | 28.5-40.7 | (21-30) |
| For 3.0L V6 parts only: | ||
| Bolt securing camshaft sprocket to camshaft | 54.2-69.2 | (40-51) |
| Bolt for fastening the crankshaft pulley to the shock absorber, year of manufacture 1990 and earlier | 27.1-38 | (20-28) |
| year of release 1991 | 50.2 | (37) |
| Bolt for fastening vibration damper to crankshaft: | ||
| Years of production 1990 and earlier | 191-229 | (141-169) |
| Year of release 1991 | 145 | (107) |
| Cylinder head bolts: | ||
| Years of production 1990 and earlier: | ||
| Step 1 | 65 1-73.2 | (48-54) |
| Step 2 | 85.4-108.5 | (63-80) |
| 1991 year | ||
| Step 1 | 50.2 | (37) |
| Step 2 | 92.2 | (68) |
| 1992 year | ||
| Step 1 | 80 | (59) |
| Step 2: Loosen all bolts 2 turns (360 degrees) | ||
| Step 3 | 50.2 | (37) |
| Step 4 | 92.2 | (68) |
| Exhaust Manifold Bolts/Studs | 20.3-29.8 | (15-22) |
| Exhaust manifold to cylinder head mounting bolts: | ||
| Years of production 1990 and earlier: | ||
| Step 1 | 14.9 | (11) |
| Step 2 | 24.4 | (18) |
| Step 3 | 32.5 | (24) |
| 1991 year | ||
| Step 1 | 14.9 | (11) |
| Step 2 | 28.5 | (21) |
| Nut securing oil inlet pipe to main bearing cap | 40.7-54.2 | (30-40) |
| Bolt for fastening the oil outlet pipe to the block | 20.3-29.8 | (15-22) |
| Oil pan to block mounting bolt | 9-12 | (80-106 in·lbs) |
| Oil filter adapter to camshaft drive chain cover mounting bolt | 24 4-29.8 | (18-22) |
| Oil pump to bearing cap mounting bolt | 40.7-54.2 | (30-40) |
| Bolts for fastening the valve lever hinge axes to the cylinder head: | ||
| Step 1 | 6.8-14.9 | (5-11) |
| Step 2 | 27.1-38 | (20-28) |
| Bolts/studs for fastening the valve cover to the cylinder head | 9-12 | (80-106 in·lbs) |
| Bolts securing the camshaft timing chain cover to the block: | ||
| Years of production 1990 and earlier: | ||
| 6 mm | 8.1-10.9 | (6-8) |
| 8 mm | 20.3-29.8 | (15-22) |
| Year of release: 1991 | 25.8 | (19) |
| Engine mount through bolt | 54.2-74.6 | (40-55) |
| Nut securing the suspension to the frame | 74.6-101.7 | (55-75) |
| For 3.8L V6 engines only: | ||
| Camshaft Sprocket to Camshaft Bolt, Year of Manufacture 1990 and Earlier | 20.3-29.8 | (15-22) |
| 1991 year | 40.7-54.2 | (30-40) |
| Bolt securing crankshaft pulley to shock absorber | 27.1-38 | (20-28) |
| Bolt for fastening vibration damper to crankshaft: | ||
| year of production 1990 and earlier | 126-164 | (93-121) |
| 1991 year | 140-179 | (103-132) |
| Cylinder head bolts: | ||
| Step 1 | 502 | (37) |
| Step 2 | 61 | (45) |
| Step 3 | 70.5 | (52) |
| Step 4 | 80 | (59) |
| Step 5: Loosen the bolts one by one by 2-3 turns | ||
| Step 6 | ||
| 1990 and earlier: Repeat steps 1 through 4 | ||
| 1991 year of release (in turn): | ||
| Long bolts: 11-18, plus an additional 85-105 degree turn | ||
| Short bolts: 11-18, plus an additional 65-85 degree turn | ||
| Exhaust Manifold Bolts/Studs | 20.3-29.8 | (15-22) |
| Bolts securing the intake manifold to the cylinder head: | ||
| Step 1 | 9.5 | (7) |
| Step 2 | 20.3 | (15) |
| Step 3 | 32.5 | (24) |
| Nut securing oil inlet pipe to main bearing cap | 40.7-54.2 | (30-40) |
| Bolt securing oil inlet pipe to block | 20.3-29.8 | (15-22) |
| Oil pan to block mounting bolt | 9-12 | (80-106 in·lbs) |
| Oil filter adapter to camshaft drive chain cover mounting bolt | 24.4-29.8 | (18-22) |
| Bolt/stud for fastening the valve cover to the cylinder head | 9-12 | (80-106 in·lbs) |
| Bolts for fastening the valve lever pivot axles to the cylinder head | ||
| Step 1 | 6.8-14.9 | (5-11) |
| Step 2 | 24.4-35.3 | (18-26) |
| Bolt securing the camshaft drive chain cover to the block | 20.3-29.8 | (15-22) |
| Front Engine Mount to Air Conditioner Bracket Nut | 54.2-74.6 | (40-55) |
| Front engine mount to frame mounting nut | 74.6-101.7 | (55-75) |
| Rear engine mount to gearbox bracket fastening nut | 94.9-122 | (70-90) |
| Rear engine mount to frame mounting nut | 74.6-101.7 | (55-75) |
(The original source of this article can be found at FORDBOOK)