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Failure mode - Ford 3.2L Power Stroke Diesel (Transit 2015-2019)

Engine oil leaks / crankcase ventilation hose

Reliability tier: aggregated - verify before ordering, see /disclosure/

Symptoms

• engine oil leak traces on the front/side of the engine
• oil mist around the crankcase vent hose
• low oil level between services

Compare with the other causes of the same sign on this engine: oil leak, oil consumption or rising oil level (3 causes)

Root cause

Seepage points documented by Ford: SSM 47020 (engine oil leak, MY2015-2018 Duratorq-TDCi) and the 23N01 crankcase ventilation hose assembly field action (MY2015-2019, September 2023) - the vent hose assembly was replaced on covered vans.

Diagnosis

• degrease and re-inspect to find the true source (valve cover, vent hose, front seals)
• check the crankcase vent hose for collapse/seepage per 23N01
• verify oil level history before hardware

Fixes

crankcase ventilation hose assembly replacement (23N01) and/or gasket/seal correction ()

• powerstroke-3_2: crankcase (honest catalog gap)
• powerstroke-3_2: oil-system (service item)

Prevalence

common

Affected configurations (5)

• 2015 Ford Transit
• 2016 Ford Transit
• 2017 Ford Transit
• 2018 Ford Transit
• 2019 Ford Transit