100 Sheridan Rd, Winthrop Harbor, IL 60096Mon to Fri, 8:00 AM to 5:30 PM · (847) 746-8291
Pfeiffer Auto Clinic, since 1959 (847) 746-8291
Auto repair · Winthrop Harbor, IL

Water pump replacement in Winthrop Harbor

Pfeiffer Auto Clinic replaces water pumps on cars, SUVs, pickups, vans, and work trucks at 100 Sheridan Rd in Winthrop Harbor, Illinois. The water pump moves coolant through the engine and radiator, so a failing pump shows up as coolant drips near the front of the engine, a rising temperature gauge, steam, a whine or grinding from the belt area, or a heater that blows cold. We pressure test the cooling system to confirm the pump is the cause, replace it with the parts that should be done at the same time, and refill and bleed the system so it runs at the right temperature.

Signs of a failing water pump

  • Coolant drips or a crusty trail of dried coolant below the front of the engine
  • Coolant that keeps going low with no other leak
  • The temperature gauge climbing, especially in traffic or towing
  • Steam from under the hood
  • A whine, squeal, or grinding that follows engine speed
  • A heater that blows lukewarm or cold air

Diagnosis first

Overheating can also come from a stuck thermostat, a clogged radiator, a cooling fan problem, a leaking hose, or a head gasket. We pressure test the system, check the fan and thermostat, and look at the pump's weep hole and bearing before we recommend a pump. See cooling system and radiator repair.

Timing belt and chain driven pumps

On many engines the water pump sits behind the timing cover and is driven by the timing belt or chain. When that is the case, replacing the pump and the timing components together saves paying for the same labor twice. We tell you how your engine is built and what the job includes before work begins.

Refill and bleed

After the new pump goes in, the system is filled with the coolant type your manufacturer specifies and bled of trapped air, which is a common cause of overheating after a repair done in a hurry. We run the engine to temperature and check for leaks before you pick it up.

Work trucks and vans

Pickups that tow, Ram ProMaster and other cargo vans, and box trucks idle and pull loads all day, which is hard on a cooling system. A coolant check at each service catches a seeping pump before it strands a route. See fleet repair.

Frequently asked questions

Can I drive with a leaking water pump?

A small seep can be watched for a short time if you keep the coolant full and the gauge stays normal. A heavy leak or any overheating means stop driving, because an overheated engine can warp a cylinder head.

Should the timing belt be replaced with the water pump?

When the timing belt drives the pump, replacing both together is usually the better value, because most of the labor is the same.

How do I know it is the water pump and not the radiator?

A pressure test shows where coolant escapes. A pump usually leaks from its weep hole near the front of the engine, and a radiator leaks at its core or tanks.

Request an appointment

Tell us what you need and when works for you. We call back during business hours to confirm a time. For anything urgent, call (847) 746-8291.

Full-service auto repair on Sheridan Road since 1959

Call (847) 746-8291, Mon to Fri, 8:00 AM to 5:30 PM, or request an appointment online.