Semi Truck Cooling System Repair Jerome, Idaho
If you're searching for semi truck cooling system repair in Jerome, Idaho, your temp gauge probably already told you why. Overheating, coolant on the ground, or a low-coolant light that won't quit — The Semi Shop fixes it in our Jerome bays or at the roadside along I-84. Call (208) 696-9888.
What does cooling system repair include?
We repair and replace radiators, water pumps, thermostats, fan clutches and fan hubs, charge air coolers, hoses, clamps, surge tanks, and coolant filters. We pressure-test the system to find leaks you can't see, and we check for the bad news too — signs of a head gasket or EGR cooler letting coolant where it shouldn't go.
That goes for every engine running this corridor: Cummins, Detroit Diesel, PACCAR, and CAT, in Kenworth, Peterbilt, Freightliner, Western Star, Volvo, Mack, and International trucks.
How long does a cooling repair take?
Hoses, thermostats, and many leaks are same-day work. A water pump or fan clutch usually is too. A radiator or charge air cooler swap takes longer depending on the truck. We look at it, tell you what's wrong, quote the price and time, and stick to both — the price we quote is the price you pay. With bays open 7 AM to 10 PM every day, hot trucks don't wait long here.
Should I keep driving an overheating truck?
No — and this is the one answer worth being blunt about. A hot diesel can crack a head, score a liner, or cook a gasket in a few miles, turning a hose-and-coolant repair into an engine job. If the gauge climbs and stays high, shut it down and call. We run mobile calls to any I-84 exit from Bliss to Declo, flat call-out fee stated before we roll, and topping off and fixing a leak on the shoulder beats towing a cooked engine every time.
Summer pulls and heavy loads
Cooling problems hide until you work the truck. A radiator that's half plugged with bugs and hay chaff keeps up in April, then falls behind in July with a heavy load of hay or produce and a hot afternoon on I-84. Harvest season is when marginal cooling systems get found out. Before the heat hits, have us pressure-test the system, check the fan clutch, and look at coolant condition — a cheap check against a season-killing breakdown.
Driver questions
My truck only overheats when loaded. Why?
That's the classic sign of a cooling system with no reserve — often a plugged or dirty radiator, a weak fan clutch, or a lazy water pump. Load makes heat; a marginal system can't shed it. We test the system under real conditions and fix the weak link.
Can you fix a coolant leak on the roadside?
Often, yes. Hoses, clamps, and many fittings can be replaced where the truck sits, anywhere on I-84 from Bliss to Declo. Bigger jobs like radiators come to our Jerome shop. We state the flat call-out fee before we roll.
How often should coolant be checked or changed?
Follow your engine maker's interval — Cummins, Detroit Diesel, PACCAR, and CAT each publish one. Between changes, coolant condition should be checked at every PM. We test it as part of our preventive maintenance service.
Shop bays in Jerome or mobile to any I-84 exit, Bliss to Declo · 7 AM–10 PM every day · The price we quote is the price you pay.