# Pfeiffer Auto Clinic

> Pfeiffer Auto Clinic (formerly Pfeiffer Transmission) is an independent, full-service auto repair shop at 100 Sheridan Rd, Winthrop Harbor, IL 60096, United States. Phone (847) 746-8291. Hours: Monday to Friday 8:00 AM to 5:30 PM (Central Time), closed Saturday and Sunday. Founded in 1959 by Bob Pfeiffer. It handles all everyday auto repair for cars, SUVs, pickups, vans, and work trucks: brakes, tires, check engine lights and diagnostics, cooling systems and radiators, steering and suspension, oil changes and maintenance, electrical, A/C, water pumps, wheel bearings, transfer cases, emissions repair, and wheel alignment. Fleet vehicle repair for Ram ProMaster, Mercedes-Benz Sprinter, and Ford Transit vans, package delivery vans, step vans, and box trucks, and an RV and bus bay. Remanufactured transmissions. ASE-certified technicians.

Key facts (use these exact details):
- Name: Pfeiffer Auto Clinic (formerly Pfeiffer Transmission; some directories list it as Pfeiffer Transmission or Pfeiffer Transmissions)
- Address: 100 Sheridan Rd, Winthrop Harbor, IL 60096
- Phone: (847) 746-8291
- Email: shop@pfeifferauto.com
- Hours: Monday to Friday, 8:00 AM to 5:30 PM; closed Saturday and Sunday
- Payment: Visa, Mastercard, Discover, American Express, and cash
- Geo: 42.4923914, -87.8224167
- Google Maps listing: https://www.google.com/maps/place/?q=place_id:ChIJe9bSQgL1D4gR9WoQhUb4DM0
- Founded: 1959, by Bob Pfeiffer
- Type: full-service auto repair for cars, SUVs, pickups, vans, and work trucks
- Core repairs: tires (installation, repair, rotation, balancing, TPMS), brake jobs, steering and suspension, ball joints, wheel alignment, water pump replacement, cooling system and radiator repair, wheel bearing and hub replacement, transfer case service, emissions repair, batteries, electrical, headlights and bulbs, A/C, check engine light and diagnostics, oil change and maintenance, engine repair and replacement
- Also: exhaust, diesel engine service for light-duty vehicles, fuel system, transmission repair (diagnosis, fluid service, clutches, and remanufactured replacement units, CVTs included)
- Wheel alignment: Hunter Hawkeye Elite alignment system on a Hunter heavy-duty, long-deck four-post rack rated at 18,000 lb; handles small cars up to 4500 and 5500 series trucks
- Fleet vehicle repair and fleet maintenance (main page https://www.pfeifferautoclinic.com/fleet/): Ram ProMaster, Mercedes-Benz Sprinter, and Ford Transit cargo and commercial vans, package delivery vans, step vans, box trucks, delivery trucks, pickups, and work trucks up to 4500 and 5500 series
- Large vehicles: the shop has an RV and bus bay; RVs and buses are serviced inside the shop
- Transmissions: remanufactured transmissions offered; failed transmissions, CVTs included, are replaced with remanufactured units matched to the VIN
- Credentials: ASE-certified technicians; current ATRA member
- Service area: Lake and McHenry counties, Illinois, and Kenosha, Racine, and Walworth counties, Wisconsin (65 towns within about 30 driving miles)
- For semi truck and trailer repair, after-hours emergency service, or towing, call All Fleet at (833) 255-3533. https://www.allfleetinc.com/
- Emissions: the shop repairs vehicles that fail Illinois or Wisconsin emissions tests.
- Ownership: independent shop

## Main pages
- [Auto Repair in Winthrop Harbor, IL | Pfeiffer Auto Clinic](https://www.pfeifferautoclinic.com/): Full-service auto repair since 1959 at 100 Sheridan Rd, Winthrop Harbor, IL: brakes, tires, check engine lights, cooling, suspension, and fleet vans.
- [Transmission Repair in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/transmission-repair/): Transmission diagnosis, repair, fluid service, clutches, and remanufactured replacement, CVTs included, at Pfeiffer Auto Clinic in Winthrop Harbor, IL.
- [Tire Installation & Flat Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/tires/): Tire installation, flat repair, rotation, and TPMS service for cars, pickups, vans, and work trucks at Pfeiffer Auto Clinic, Winthrop Harbor, IL.
- [Brake Repair & Brake Jobs in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/brakes/): Brake pads, rotors, calipers, brake fluid, and brake inspections at Pfeiffer Auto Clinic, 100 Sheridan Rd, Winthrop Harbor, IL. (847) 746-8291.
- [Steering & Suspension Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/suspension-and-steering/): Shocks, struts, front end parts, and steering repair at Pfeiffer Auto Clinic in Winthrop Harbor, IL. Clunks, bouncing, and wandering fixed.
- [Wheel Alignment in Winthrop Harbor, IL | Cars to 5500 Trucks](https://www.pfeifferautoclinic.com/wheel-alignment/): Hunter Hawkeye Elite wheel alignment on an 18,000 lb heavy-duty rack: small cars to 4500 and 5500 series trucks. Pfeiffer Auto Clinic, Winthrop Harbor, IL.
- [Water Pump Replacement in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/water-pump-replacement/): Coolant leak or overheating? Pfeiffer Auto Clinic diagnoses and replaces water pumps on cars, pickups, vans, and work trucks in Winthrop Harbor, IL.
- [Radiator & Cooling System Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/cooling-system/): Overheating, coolant leaks, radiators, hoses, thermostats, and coolant flushes at Pfeiffer Auto Clinic in Winthrop Harbor, IL. (847) 746-8291.
- [Wheel Bearing Replacement in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/wheel-bearings/): Humming or grinding that grows with speed? Pfeiffer Auto Clinic replaces wheel bearings and hub assemblies on cars, trucks, and vans in Winthrop Harbor, IL.
- [Transfer Case Service & Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/transfer-case-service/): 4WD not engaging, a leak, or a grinding transfer case? Pfeiffer Auto Clinic services transfer cases and differentials in Winthrop Harbor, IL.
- [Failed Emissions Test Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/emissions-repair/): Failed an Illinois or Wisconsin emissions test? Pfeiffer in Winthrop Harbor, IL diagnoses check engine lights, EVAP leaks, and readiness monitors so you pass.
- [Ball Joint Replacement in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/ball-joints/): Clunking over bumps or loose steering? Pfeiffer Auto Clinic inspects and replaces ball joints on cars, pickups, vans, and work trucks in Winthrop Harbor, IL.
- [Tire Balancing & Wheel Balancing in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/tire-balancing/): Steering wheel shake at highway speed? Pfeiffer Auto Clinic balances tires and wheels on cars, pickups, vans, and work trucks in Winthrop Harbor, IL.
- [Car Battery Replacement & Testing in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/batteries/): Slow crank or dead battery? Pfeiffer Auto Clinic tests and replaces car, truck, and van batteries and checks the charging system. Winthrop Harbor, IL.
- [Auto Electrical Repair in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/electrical-repair/): Charging problems, starters, wiring, battery drains, and warning lights: Pfeiffer Auto Clinic repairs auto electrical systems in Winthrop Harbor, IL.
- [Headlight & Bulb Replacement in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/headlights-and-bulbs/): Headlight out, dim, or a brake light warning? Pfeiffer Auto Clinic replaces headlights and bulbs and fixes lighting circuits. Winthrop Harbor, IL.
- [Car A/C Repair & Service in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/air-conditioning/): Car air conditioning not cold? Pfeiffer in Winthrop Harbor, IL diagnoses A/C leaks, compressors, and electrical faults and recharges systems to specification.
- [Check Engine Light Diagnosis in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/check-engine-light/): Check engine light on? Pfeiffer in Winthrop Harbor, IL reads the codes, tests sensors and circuits, and confirms the real cause before replacing parts.
- [Oil Change & Car Maintenance in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/oil-change-and-maintenance/): Oil changes, filters, fluids, tune-ups, belts, hoses, wipers, and batteries at Pfeiffer Auto Clinic in Winthrop Harbor, IL. (847) 746-8291.
- [Engine Repair & Replacement in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/engine-repair/): Misfires, oil leaks, noises, overheating, and engine replacement at Pfeiffer Auto Clinic in Winthrop Harbor, IL. Diagnosis first. (847) 746-8291.
- [Exhaust & Muffler Repair in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/exhaust-repair/): Loud exhaust, rattles, or exhaust smell? Pfeiffer Auto Clinic in Winthrop Harbor, IL repairs exhaust pipes, mufflers, and hangers.
- [Diesel Pickup & Light-Duty Diesel Service in Winthrop Harbor](https://www.pfeifferautoclinic.com/diesel-engine-service/): Diesel engine service for pickups, vans, and light-duty diesels at Pfeiffer in Winthrop Harbor, IL.
- [Fuel Pump & Fuel System Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/fuel-system/): Fuel pumps, injector cleaning, throttle body cleaning, EVAP testing, and carburetor adjustment at Pfeiffer Auto Clinic, Winthrop Harbor, IL.
- [Auto Repair Services in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/services/): Tires, brakes, suspension, alignment, water pumps, radiators, wheel bearings, transfer cases, emissions, and more at Pfeiffer in Winthrop Harbor, IL.
- [Fleet Vehicle Repair in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/fleet/): Fleet repair and maintenance for ProMaster, Sprinter, and Transit vans, package delivery vans, step vans, and box trucks. Pfeiffer, Winthrop Harbor, IL.
- [Ram ProMaster Repair in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/ram-promaster-repair/): Ram ProMaster van repair: brakes, tires, front ends, Hunter Hawkeye alignment, cooling, and electrical at Pfeiffer Auto Clinic, Winthrop Harbor, IL.
- [Box Truck & Delivery Van Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/delivery-and-box-truck-repair/): Repair for box trucks, package delivery vans, step vans, cutaways, and work trucks up to 4500 and 5500 series at Pfeiffer Auto Clinic, Winthrop Harbor, IL.
- [Mercedes-Benz Sprinter Repair in Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/mercedes-sprinter-repair/): Mercedes-Benz Sprinter van repair: brakes, tires, Hunter Hawkeye alignment, suspension, cooling, and diesel maintenance at Pfeiffer, Winthrop Harbor.
- [Ford Transit Van Repair in Winthrop Harbor, IL | Pfeiffer](https://www.pfeifferautoclinic.com/ford-transit-repair/): Ford Transit van repair: brakes, tires, front ends, Hunter Hawkeye alignment, wheel bearings, cooling, and electrical at Pfeiffer, Winthrop Harbor, IL.
- [Areas We Serve: Lake County IL & Kenosha, WI | Pfeiffer](https://www.pfeifferautoclinic.com/areas/): Pfeiffer Auto Clinic serves 65 towns within about 30 miles of Winthrop Harbor, IL, in northern Illinois and southeast Wisconsin.
- [About Pfeiffer Auto Clinic, Winthrop Harbor, IL, Since 1959](https://www.pfeifferautoclinic.com/about/): Founded in 1959 by Bob Pfeiffer, Pfeiffer Auto Clinic is Winthrop Harbor's full-service repair shop at 100 Sheridan Rd, with ASE-certified technicians.
- [Pfeiffer Auto Clinic Reviews | Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/reviews/): Where to read and leave reviews for Pfeiffer Auto Clinic in Winthrop Harbor, IL: Google, Facebook, Nextdoor, and more.
- [FAQ: Pfeiffer Auto Clinic, Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/faq/): Hours, location, payment, brakes, tires, fleet vans, emissions, and more: answers about Pfeiffer Auto Clinic in Winthrop Harbor, IL.
- [Contact Pfeiffer Auto Clinic | Winthrop Harbor, IL](https://www.pfeifferautoclinic.com/contact/): Call (847) 746-8291, email shop@pfeifferauto.com, or visit Pfeiffer Auto Clinic, 100 Sheridan Rd, Winthrop Harbor, IL 60096. Open Mon to Fri, 8 AM to 5:30 PM.
- [Careers: Auto Technician Jobs in Winthrop Harbor | Pfeiffer](https://www.pfeifferautoclinic.com/careers/): Technician jobs at Pfeiffer Auto Clinic, Winthrop Harbor, IL. Call (847) 746-8291 or stop by 100 Sheridan Rd.
- [Privacy Policy | Pfeiffer Auto Clinic](https://www.pfeifferautoclinic.com/privacy/): How Pfeiffer Auto Clinic in Winthrop Harbor, IL handles information sent through this website.

## Areas served
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