Detroit Diesel — Remove Exhaust Manifold (Air Cooled)
Repair & overhaul
From a Detroit Diesel service manual — check it applies to your exact model before use.
Procedure
- Disconnect the exhaust pipe or adaptor from the exhaust manifold flange.
- Loosen and remove the nuts, clamps and special washers which secure the exhaust manifold to the cylinder block. Leave one nut and washer on a center stud as a safeguard until the others are removed.
- Support the manifold(s) and remove the nut(s) and washer(s) from the center stud(s).
- Lift the manifold(s) away from the cylinder block and remove the gasket(s).
Source: Detroit Diesel 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.