I & B Automotive

I & B Automotive Family-owned and operated, I & B Automotive has been a trusted name in automotive care for over a decade. We also specialize is diesel and trailer repair.

We are committed to excellence and personalized service. Specializing in diesel repair while offering expertise in all vehicle makes and models. I & B Automotive LLC offers prevantative maintence, diagnositcs, tune ups, brakes, head gaskets, engine/transmission swaps, steering and suspension, detailing, diesel repair, custom fabrication/painting, oil changes, exhaust, Fuel/Air Induction Service, C

ooling System Service, Drive Line Service, Ethanol Fuel System Defender Cleaner, EGR Engine Performance Restoration, Brake Fluid Service, Fuel System Cleaner, LED lights/installation, tire mount and balance, GDI Performance Service, as well as sell tires.

We are incredibly honored and grateful! Thank you, Marshall County, for voting us one of the best auto repair shops for ...
06/09/2026

We are incredibly honored and grateful!
Thank you, Marshall County, for voting us one of the best auto repair shops for three years running! 🛠️🏆 We truly appreciate your continued trust, loyalty, and support.

Transmission replacement on this 2016 F150 🔧
04/13/2026

Transmission replacement on this 2016 F150 🔧

2016 F150 5.0L in with a ticking noise concern.Initial prescan showed a P0303. Went through proper diagnosis—ruled out i...
04/09/2026

2016 F150 5.0L in with a ticking noise concern.

Initial prescan showed a P0303. Went through proper diagnosis—ruled out ignition, followed up with a compression test and found cylinder 3 at only 70 PSI.

After getting approval and digging deeper, we found the root cause: failed exhaust lifter (lash adjuster) on cylinder 3.

No guessing. No parts darts. Just accurate diagnosis and doing it right the first time. ✅

This 2016 Powerstroke is here for a little bit of everything. 📝• Upper engine oil pan reseal• Mishimoto oil cooler upgra...
03/13/2026

This 2016 Powerstroke is here for a little bit of everything. 📝

• Upper engine oil pan reseal
• Mishimoto oil cooler upgrade
• Mag-Hytec lower oil pan upgrade
• New OE rotors & pads all the way around
• Complete Driveline Fluid Service (front & rear diffs, transfer case, transmission filter & fluid)

While we’re here, both the primary and secondary cooling systems will get serviced and treated with Amsoil Coolant Boost additive.

Preventative maintenance and quality parts go a long way 🔧

INC. Automotive

Just another Thursday here at I&B 🗓️Cab in the air ✔️ Engine torn down on the stand ✔️ Doing it the right way doesn’t al...
03/12/2026

Just another Thursday here at I&B 🗓️

Cab in the air ✔️
Engine torn down on the stand ✔️

Doing it the right way doesn’t always mean it’s the easy way. 🔧

02/06/2026
2019 Ford Flex Refresh 🔧 - Water pump and timing replacement -
01/22/2026

2019 Ford Flex Refresh 🔧

- Water pump and timing replacement -

Cab-off engine work getting wrapped up on this 2008 Duramax. Getting ready to set the cab back down and move into final ...
01/15/2026

Cab-off engine work getting wrapped up on this 2008 Duramax. Getting ready to set the cab back down and move into final assembly 🔧 ✅

2020 Duramax in the shop for multiple concerns 🔧✔️ Identified the cause of each concern✔️ Discussed repair options & est...
01/12/2026

2020 Duramax in the shop for multiple concerns 🔧
✔️ Identified the cause of each concern
✔️ Discussed repair options & estimates
✔️ Completed the repairs
✔️ Verified all concerns were resolved

Address

5549 Union Road
Plymouth, IN
46563

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

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