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Customer's red sports car with the hood up getting repaired in falling snow, 406 Mobile Mechanic work truck parked behind

Engine Replacement in Great Falls, MT

When an engine is done, you need a straight answer and a clean job. Josh handles engine replacements start to finish — often right where the vehicle is.

The work

What's Included

  • Diagnosis to confirm the engine needs replacing
  • Sourcing a replacement engine for your vehicle
  • Removal and installation
  • Transfer of accessories, sensors and wiring
  • Startup checks and a walk-through of the finished job

Larger jobs like engine replacement can often be handled on site — call to discuss.

Symptoms

Signs You Need Engine Replacement

  • Loud knocking from the engine
  • Major oil consumption or heavy smoke
  • Low compression or a failed engine test
  • Overheating damage
  • The engine has seized

Mobile advantage

Why Get It Done On Site

Josh shows you the problem firsthand, shows up when he says he will, and gives you an honest quote before the work starts.

Military discount available — Malmstrom AFB families welcome.

  • Larger jobs on site

    Engine replacements can often be done where the vehicle sits — call to discuss.

  • Confirm before committing

    Diagnosis comes first so you don't replace an engine that could be repaired.

  • Clear quote

    Parts are sourced and the labor quote sent before the work starts.

  • Honest, reasonable quotes

    Parts sourced and a labor quote sent right away — no surprises.

Dispatch board

How Engine Replacement Works

  1. Job ticket#406-01

    01

    Call or Text

    Tell us what's going on and where you are — 7 days, 8 AM–9 PM.

  2. Job ticket#406-02

    02

    Fast Quote

    We source parts and send a labor quote right away.

  3. Job ticket#406-03

    03

    We Come to You

    Diagnose on site and show you the exact issue firsthand.

  4. Job ticket#406-04

    04

    Job Done Right

    Repaired the first time, on time.

Communication is key — you'll always know what's happening.

Questions

Engine Replacement FAQs

Can an engine really be swapped on site?

Often, yes, depending on the vehicle and the location. Call or text to discuss your situation.

Is replacement worth it on my vehicle?

Josh will give you a straight opinion based on the vehicle's condition and the quote.

Who sources the engine?

Josh can source the replacement engine and parts and include them in the quote.

Google review

“Excellent mechanic! Knows his stuff! Knew right what to do and what he needed to get the repair done quick! Was so very prompt, helpful and polite. 10 out of 10 would recommend Josh for your repair needs.”

Cindy Fuson

Google Review

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Need Engine Replacement? Call or text 406-799-0095

Open 7 days, 8 AM–9 PM

Request service

Not an Emergency? Request Service

For non-urgent repairs, inspections, or fleet service, send a quick request and Josh will get back to you. Broken down right now? Call or text 406-799-0095.

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