Financing all Credit Types - 
Financing all Credit Types -
Financing all Credit Types -
Financing all Credit Types -
Mobile Mechanic & Roadside Assistance
Peak-hour congestion in Harrison, MT means a shop trip costs 2–3 hours minimum. We Come to You with Same-Day Service.
No tow fee, no shop markup. Flat-rate pricing means the quote you get is exactly what you pay.
Every mechanic is ASE-certified. All repairs backed by a 12-month / 12,000-mile warranty — at no extra cost.
Wherever your car is, we come to you. Driveway, office parking lot, or side of the road — no tow needed.
Getting your car repaired in Harrison shouldn’t mean arranging a ride or burning half a workday. Here’s how a typical booking works.
Tell us your vehicle, location, and what’s going on. We’ll confirm availability and give you an upfront price — usually within minutes.
A certified mechanic arrives at your address in Harrison — home driveway, office parking lot, or anywhere your car is sitting safely.
Most repairs wrap in 1–2 hours. You pay only after the work is done. Every repair carries a 12-month / 12,000-mile warranty.
As snow melts, gravel and potholes can appear, impacting vehicle handling.
Summer heat can put a strain on cooling systems, making regular maintenance essential.
With cooler temperatures, it's important to prepare for winter driving conditions.
Cold temperatures can affect battery performance and traction on icy roads.
High summer temperatures can lead to overheating and cooling system failures.
The hilly landscape can cause wear on suspension and steering components.
With many trucks on the road, maintenance for heavy-duty vehicles is common.
Common repair calls in Harrison often involve cooling systems and brake maintenance.
"Cassandra reported coolant leaking while driving on MT-287."
"Diego's brakes were squeaking on a winding road."
"Monique's car had trouble starting near the local diner."
Your vehicle experiences different wear depending on where you drive. In Harrison, Instant car fix provide repair and maintenance services that help drivers stay safely on the road. Our mobile mechanics are equipped to handle the most common repairs, including battery replacement, brake repair, and alternator diagnostics. Each service is performed on-site, with no shop visit required, and backed by a 12-month or 12,000-mile warranty.
Skip the shop. Our certified mobile mechanics perform most repairs right where your car is parked, saving you time and towing costs.
Get a free quote →We come to your driveway, office, or roadside — wherever your car is.
All services are performed on-site at your designated location. Our mobile service approach eliminates the need for towing or transporting vehicles, saving you time and minimizing fleet downtime.
Sergio was fantastic! He was very informative and explained everything to us during the diagnostic. Thank you, Sergio!
The experience is well received mechanic was on time and waited for me and stayed until the fljob is completer
I am 100% satisfied with Instant Car Fix. My mechanic Mike arrived on time and was very knowledgeable, efficient and polite. I will be happy to recommend you to my friends & neighbors. I was so glad that I didn't have to drive anywhere and sit and wait for hours for someone to get to my car to work on it.
Great service! I would definitely use them again if I ever find I need a dead battery replaced with no way to get to a shop except having it towed in. Love that they come directly to your house!
Got his work done quickly and efficiently even though we had some hiccups he stuck through it till the end. Great mechanic great man.
Excelent he was very professional and polite my car was running again within 10 minutes after he arrives
Came out snd fixed my parents car today. Very nice young man my dad said. He did a good job. Thank you.
Reggie was outstanding, quick, and personable. I’ll be sure to Instantaneous Car Fix the next time I’m stuck on the road.
The mechanics were out promptly and completed the service efficiently! The entire experience was easy to manage.
Sergio was fantastic! He was very informative and explained everything to us during the diagnostic. Thank you, Sergio!
The experience is well received mechanic was on time and waited for me and stayed until the fljob is completer
I am 100% satisfied with Instant Car Fix. My mechanic Mike arrived on time and was very knowledgeable, efficient and polite. I will be happy to recommend you to my friends & neighbors. I was so glad that I didn't have to drive anywhere and sit and wait for hours for someone to get to my car to work on it.
Great service! I would definitely use them again if I ever find I need a dead battery replaced with no way to get to a shop except having it towed in. Love that they come directly to your house!
Got his work done quickly and efficiently even though we had some hiccups he stuck through it till the end. Great mechanic great man.
Excelent he was very professional and polite my car was running again within 10 minutes after he arrives
Came out snd fixed my parents car today. Very nice young man my dad said. He did a good job. Thank you.
Reggie was outstanding, quick, and personable. I’ll be sure to Instantaneous Car Fix the next time I’m stuck on the road.
The mechanics were out promptly and completed the service efficiently! The entire experience was easy to manage.
