On the 3.5L Cyclone V6 used in the Explorer, Taurus, and Edge, the water pump lives inside the engine and is driven by the timing chain. When its seal lets go, coolant goes into the crankcase rather than onto the pavement. That is the whole problem in one sentence, and it is why a slow coolant loss on one of these gets a real diagnosis instead of a jug in the trunk. Watch the level. A dropping reservoir with no visible leak, milky-looking oil, or a temperature needle that creeps up on Route 6 all belong on the lift the same week. Early, it is a planned job. Late, it is an engine. Our radiator and cooling system repair starts with a pressure test.

A truck that tows, hauls or idles all day isn’t living the same life as a commuter car, so its intervals come in shorter. That’s the honest answer. On the F-150, we watch spark plugs and coils, the brake booster, and the cooling system, because those three cause most of the surprise tow-ins we see on that platform. Winter short trips and long idle hours load the oil faster than the odometer suggests, which is why we judge oil by condition, not by the sticker in the windshield. Idle time counts. According to fueleconomy.gov, aggressive driving lowers gas mileage by roughly 15% to 30% at highway speeds and 10% to 40% in stop-and-go traffic. That’s fuel money. Regular synthetic oil change service and brake repair and brake fluid service keep the rest of it predictable.

Cold air plus boost puts water inside your charge-air system. Condensation collects in the intercooler and the charge pipes, and on a raw February morning that moisture can slug through the intake and set a misfire. Sometimes it trips limp mode, which clears by lunch and leaves you doubting yourself. It’s not in your head. Cold matters here. We check clamps, couplers, and the intercooler drain, and we pressure-test for boost leaks instead of chasing the code in circles. Winter is hard on the Focus and Fiesta dual-clutch units too, since a shudder that was mild in October gets loud once the fluid is cold, so transmission repair and fluid service comes up a lot in January.

We’re a family-owned shop at 1901 Plainfield Pike, ASE-certified and an ASE Recognized Business, here since 2010. Every repair carries a 3-year/36,000-mile warranty, so the coverage travels with the truck if something goes sideways in another state. Loaners for qualifying repairs. There’s a 24-hour key drop for the mornings you can’t wait around, we pick up and drop off locally with qualified service, and we sell tires here, so a set isn’t a second errand. We’re open Monday through Friday, 7:30 AM to 5:00 PM, closed Saturday and Sunday. We’re easy to find. Drivers come from Johnston, auto repair for Providence drivers. Read what Johnston drivers say about Protech.

On the 3.5L Cyclone V6, that usually points at the internal water pump, which can send coolant into the crankcase. Some EcoBoost engines have their own coolant intrusion concerns. Either way, it needs a pressure test, not a top-off.

Rough idle, hesitation when you get into the throttle, sometimes a misfire code that comes and goes. Deposits form on the intake valves because direct injection sprays fuel past them. We confirm it before recommending anything.

That depends on the shudder, the mileage, and what you want out of the car. We look, then give you a straight answer. Sometimes the honest call is to spend the money elsewhere.

Both. F-150, Super Duty, Transit, Explorer, Escape, Edge, and the Focus and Fiesta all come through here. If your work vehicle can’t sit during business hours, use the 24-hour key drop.