NHTSA ID Number: 10203655 Manufacturer Communication Number: TSB 21-2408 Summary Some 2015-2019 Transit vehicles equipped with a 3.7L engine and block heater may exhibit a repeat coolant leak from a deteriorated O-ring and/or intake manifold thermostat housing. This may be due to the block heater in the thermostat housing. To correct the condition, install a block … Read more
NHTSA ID Number: 10160863 Manufacturer Communication Number: TSB19-2121 Summary Some 2015-2019 F-150 vehicles equipped with a 3.3L, 3.5L Duratec, 3.5L EcoBoost and 5.0L engine and equipped with a block heater built on or before 1-Jan-2019 may exhibit a lack of heat concern from the heating ventilation and air conditioning (HVAC) system when operating the vehicle consistently in … Read more
TECHNICAL SERVICE BULLETIN 6.7L Diesel – Block Heater Inoperative And/Or Tripping Electrical Breaker/GFCI Outlet – Built On Or Before 24-Oct-2017 18-2116 17 April 2018 Model: Ford 2017 F-Super Duty Issue: Some 2017 F-Super Duty vehicles equipped with a 6.7L diesel engine built on or before 24-Oct-2017 may exhibit an inoperative block heater. This can … Read more
TSB 17-0008 5.0L – HARD START/CRANK NO START/RUNS ROUGH AND/OR BLACK EXHAUST SMOKE WHEN STARTING ENGINE AFTER BLOCK HEATER OPERATION Publication Date: January 20, 2017 FORD: 2015-2016 F-150 ISSUE: Some 2015-2016 F-150 vehicles equipped with a 5.0L engine may exhibit a hard start, crank no start, runs rough and/or black exhaust smoke concern associated … Read more
2015-2017 F-150 – Lack Of Heat – Block Heater Operation Some 2015-2017 F-150 vehicles may exhibit poor heater performance caused by restricted heater cores. Extensive use of the block heater may increase cooling system deposits which contribute to heater core restrictions. It is recommended to plug in the block heater for 1 – 2 … Read more