Grease Monkey Garage LLC.

Grease Monkey Garage LLC. Welcome to Grease Monkey Garage, LLC, your premier auto repair shop in University City, MO, that serves the greater surrounding area.

Established in 2020, our state-of-the-art diagnostic center specializes in thorough auto diagnostics, precise calibrations, expert electrical and harness repairs, efficient lockout services, and professional re-keying services. At Grease Monkey Garage, we are committed to providing top-notch service to keep your vehicle running smoothly and safely on the road. Visit us for all your automotive repair needs! Services:
Auto Diagnostics
Calibrations
ADAS Calibrations
Airbag/SRS Diagnostics
Computer/Electrical Repairs
Cue/Radio Repairs
Full Vehicle Diagnostics
Mobile Diagnostics
Harness Repairs
Instrument Clusters
Lockout Services
Re-Keying Services
Steering Column Repairs

⭐️⭐️⭐️⭐️⭐️ Huge thank you to Amy for this amazing review! 🙌🚗“I was referred to Grease Monkey Garage, LLC for a headlight...
02/23/2026

⭐️⭐️⭐️⭐️⭐️
Huge thank you to Amy for this amazing review! 🙌🚗
“I was referred to Grease Monkey Garage, LLC for a headlight issue… He was able to get my car fixed within 10 minutes without needing to order any parts… 100% will use him again in the future for any car issues.”
We truly appreciate the trust and referrals—happy to help whenever you need us!

Oh, just sifting through some data...
11/08/2025

Oh, just sifting through some data...

When we say mobile…
07/20/2024

When we say mobile…

03/21/2024

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2020 Audi Q8 - Body repairs now has warning lights on 😖It’s as beautiful on the inside as the outside ❤️🤓Hope everyone i...
03/06/2024

2020 Audi Q8 - Body repairs now has warning lights on 😖

It’s as beautiful on the inside as the outside ❤️🤓

Hope everyone is having an amazing day!!!

02/26/2024

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Send a message to learn more

Hello everyoneThis is a set of components for a 2006 Ford F250 Super Duty 6.0, including the FICM (Fuel Injection Contro...
02/25/2024

Hello everyone

This is a set of components for a 2006 Ford F250 Super Duty 6.0, including the FICM (Fuel Injection Control Module), ECM (Engine Control Module), and the power supply inside the FICM. In the last picture, you can see the data showing the readings from a scan tool, indicating the voltage of the new power supply.

We obtained these components from a shop for testing because they were unable to communicate or interact with them. While we were there, we decided to test the common failure point of these components, which is the power supply. It is Inside the FICM. The power supply tested bad at 12 volts, which should ideally be a steady 48 volts. We replaced the power supply, and the new one tested good with a steady 49 volts (as shown in the picture).

We are uncertain if the power supply alone was the issue or if there are other factors involved. We expect to have more information very soon. We are dropping these back off this Wednesday.

Just a few things we love doing. ❤️

02/22/2024

Phone lines are back up and running! Thank you everyone for your patience!!

Address

123 Anywhere You Need Us To Be
University City, MO
63010

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm

Website

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