Ford Bronco
2.7L EcoBoost V6 in the Bronco β same engine platform as the F-150, different tune. Watch for recall 24S55 for intake valve fracture ("Silchrome Lite" alloy, production MayβOctober 2021) β 91,000 vehicles affected. 10 year/150k mile warranty extension. Plastic oil pan leaks like the F-150 2.7L. Carbon buildup on Gen1 without port injection.
2.7L V6 Bronco β more power, valve recall on May-Oct 2021 production
330 hp V6: for heavy off-road loads and towing. Check recall 24S55 β intake valves from over-hardened alloy fracture, 91,000 vehicles affected, free engine replacement, 10-year warranty. Outside the recall window: solid engine. Plastic oil pan leaks like the F-150.
Engine Weaknesses 3
Intake valves made of "Silchrome Lite" can over-harden and fracture under temperature. 91,000 vehicles affected (Bronco, F-150, Explorer). Free engine replacement, 10-year warranty.
Symptoms: CEL, rough running, sudden power loss, often under 20k miles
Same issue as F-150 2.7L β plastic + aluminum + RTV = leak. Metal pan as upgrade.
Symptoms: Oil drops under engine
Direct injection without port injection β valves coke. Budget for walnut blasting.
Symptoms: Rough idle, power loss
Vehicle Weaknesses 3
Oversized panel gaps, rear window rubber improperly seated. Service Bulletin SB 21-2403.
Unsealed panel edges absorb moisture β unsightly appearance, cracks. Ford offered free replacement (until Sept 2022). Reports continue after.
Sticking shift valves, Ford replacement under warranty (notification April 2023).