Why Certified Service?

Your vehicle deserves expert care from the people who know it better than anyone else. We employ factory-trained technicians who use state-of-the-art technology and equipment to help you keep your vehicle running like new. Trust your vehicle to the Certified Service experts. Simply click on the tab or call to schedule an appointment today.

Service Specials

FOUR WHEEL ALIGNMENT

$129.95

Includes: Check steering, suspension and shocks. Set toe-in, camber and caster (where applicable). Check tie-rods and ball joints. Check tire pressure and inspect tires for cuts, damage, and uneven wear. Plus tax and shop supplies, if applicable. Coupon valid at vehicle check in.

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FRONT END ALIGNMENT

$99.95

Includes: Check steering, suspension and shocks. Set toe-in, camber and caster (where applicable). Check tie-rods and ball joints. Check tire pressure and inspect tires for cuts, damage, and uneven wear. Plus tax and shop supplies, if applicable. Coupon valid at vehicle check in.

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Dexos Full Synthetic 8qt Oil change Pkg

$79.95

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Dexos Full Synthetic 6qt Oil Change Pkg

$69.95

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BUY 3 TIRES GET THE 4TH FOR

$1.00

GM Tire Rebate up to $200 can be combined with this offer.

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TIRE PRICE MATCH GUARANTEE

30 DAYS

Provide us with a better price at the time of purchase and we'll match it. Find a better price within 30 days of the purchase and we'll refund the difference. * Eligible Tire Brands: BFGoodrich, Bridgestone, Continental, Dunlop, Firestone, General, Goodyear, Hankook, Kelly, Michelin, Pirelli, and Uniroyal.

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Winterization Special

$179.95 + tax/shop supplies ($20.00 savings)

Includes Coolant Fluid Exchange, Wiper Blade replacement (2 blades, rear wiper extra), and Battery Test

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Battery Replacement

$10.00 off

Battery must be installed on current visit.

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Acdelco Brakes

Acdelco professional Brake pads installed $199.95*

24 months/unlimited mileage warranty**

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Acdelco Advantage Brake Rotors

installed $200.00*

12 month/unlimited mileage warranty**

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Acdelco Professional Silver Battery

$204.90 installed

**30 Month free replacement limited warranty

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Acdelco Professional Gold Battery

$219.90 installed

**42 Month free replacement limited warranty

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Mobil 1 full synthetic 6qt oil change pkg

for $99.95

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Mobil Delvac Diesel 10qt oil change pkg

$119.95

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Fall Tire Rebate

Rebates up to $200

Click here for full details and rebate form.

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Multi-Point Vehicle Inspection

With your Multi-Point Vehicle Inspection, you get a thorough assessment of your vehicle by the Certified Service experts. So protect yourself and your automotive investment with a comprehensive vehicle inspection at your Bosak Chevrolet Buick GMC Dealer today.

Professional maintenance you can rely on

When it’s time for vehicle maintenance or repair, visit the Buick, Chevrolet, GMC Certified Service experts to handle all your vehicle needs. Nobody knows your vehicle better than these trained automotive service professionals, so from oil changes to engine replacements, let the Certified Service experts take care of everything.

Looking For New Tires?

Your vehicle's tires are the first and only contact with the road, so it is important to choose the right set when replacing them. Bosak Chevrolet Buick GMC has Certified Service experts that will handle all of your tire needs. From checking tire wear to tire pressure our team can help you find new tires for your vehicle.

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Need An Oil Change?

Your vehicle may be trying to tell you something – Oil Life Monitoring Systems let you know when it’s time for an oil change. And our Certified Service experts can recommend what’s best for your vehicle. Schedule an appointment today.

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Having Battery Trouble?

Your vehicle’s battery provides energy to start the engine, plus it supplies power to accessories when the engine is not running. The cold of winter and the heat of summer can affect your auto battery. See us for your vehicle’s battery needs.

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Brakes Need Replacing?

Stopping power is crucial to a safe and successful driving experience. When you need brake service, visit Bosak Chevrolet Buick GMC and our GM Certified Service experts will recommend quality new brakes.

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Map of Bosak Chevrolet Buick GMC location

Contact Service

Service: (219) 214-1371

Parts: (219) 214-1371

9911 West 300 North , Michigan City, IN 46360

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Bosak Chevrolet Buick GMC 41.6544, -86.8904.