Military MEP MEP-804A — Cylinder head bolt tightening
Repair & overhaul
For the Military MEP MEP-804A, from the Military MEP service manual.
Applies to: Military MEP MEP-804A
Procedure
- Place new head gasket on engine block with word TOP facing up.
- Place cylinder head on block aligning dowels.
- Lubricate nineteen bolts with engine oil and install hand tight.
- Tighten bolts in two steps following Figure 3-76 sequence.
- Step 1: new/used bolts 47.0 ft-lbs (63.7 Nm).
- Step 2: new bolts 58 ft-lbs (78 Nm); used bolts 65.0 ft-lbs (88.3 Nm).
Specs & values
- Step 1 47.0 ft-lbs (63.7 Nm); Step 2 new 58 ft-lbs (78 Nm), used 65.0 ft-lbs (88.3 Nm)
Full service-parts list: Military MEP MEP-804A →
Source: Military MEP service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.