Deutz — Checking compression pressure
Testing & diagnosis · Cylinder unit
From a Deutz service manual covering: BF4 M1013, BF4M 1012 E, BF4M 1013, BF6M 1013, BF6M1013. Check it applies to your exact model before use.
Applies to: Deutz BF4 M1013, Deutz BF4M 1012 E, Deutz BF4M 1013, Deutz BF6M 1013, Deutz BF4M 1013 engine
Procedure
- Injectors have been removed, valve clearance checked.
- Insert connector with new special seal.
- Fit clamping pad and tighten bolt.
- Connect compression tester and turn engine with starter.
- Compare readings of all cylinders; if deviation exceeds 15%, dismantle affected cylinder unit.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Compression pressure BFM 1012 28-33 bar
- Compression pressure BFM 1013 30-38 bar
Full service-parts list: Deutz BF4M 1012 E →
Source: Deutz 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.