Young mechanic repairing a car engine hanging from a chain hoist, wearing safety goggles and earplugs, in a professional workshop
Engine Repair in Eugene, Oregon

Engine Replacement & Engine Swaps in Eugene, Oregon

When your engine has reached the end of its life, Wrench Automotive handles complete engine replacement and engine swaps for cars, trucks, and work vans. We start with a proper diagnosis so you're not spending money before you know what's really going on.

Need your vehicle looked at sooner? Call us about current availability — we work to get vehicles diagnosed and repairs moving as quickly as our shop capacity allows.

Caucasian mechanic repairs car engine in garage
Proper Diagnosis First
Before any replacement, we find the real problem
Engine Replacement & Swaps

Not Every Problem Needs a New Engine

A serious noise, a dropping oil pressure gauge, or a car that won't start at all can feel alarming. The first question is always the same: does this vehicle actually need a new engine, or is the problem something more straightforward?

Wrench Automotive starts every major engine concern with a thorough diagnosis before recommending a replacement. We explain what we found in plain language, the options you have, and the honest math on whether a replacement makes sense for your vehicle and budget.

When a replacement is the right call, we perform the work completely — removing the old engine, fitting the replacement, and making sure everything is properly installed and running before your vehicle goes home.

Warning Signs

Common Symptoms of a Serious Engine Problem

These symptoms can indicate something serious. They can sometimes come from a more fixable cause, which is exactly why diagnosis comes first.

Knocking or Metallic Noises

Persistent knocks, ticks, or grinds from the engine can point to internal wear or damage.

Dropping Oil Pressure

Low or fluctuating oil pressure may mean internal damage that can't be ignored.

Severe Overheating

Engines that overheat badly or repeatedly may have suffered internal damage.

Heavy White or Blue Smoke

Thick exhaust smoke that persists can signal serious internal issues.

Won't Start or Runs Rough

Difficulty starting or running poorly across cylinders may require deeper inspection.

Sudden Loss of Power

A major drop in power can be a sign of internal engine failure that needs a professional look.

Not Sure What Your Vehicle Needs?

Call us about your symptoms. We'll help you understand what may be going on and get your vehicle scheduled for diagnosis as quickly as our shop capacity allows.

Call or Text (541) 232-4678
The Replacement Process

What to Expect From an Engine Replacement

1

Thorough Diagnosis

We confirm the engine problem before anything is recommended, so you're not paying for a replacement you don't need.

2

Clear Options & Honest Advice

We walk you through whether a replacement makes sense for your vehicle, its value, and your goals.

3

The Replacement

We remove the old engine and install the replacement properly — wiring, mounts, fluids, and all.

4

Testing Before You Drive

We verify the vehicle starts, runs, and drives correctly before it goes back to you.

Vehicles We Can Help With

  • Passenger cars — domestic, Asian & European
  • Pickup trucks & heavy-duty trucks
  • Work vans — Sprinter, Transit & ProMaster
  • Commercial & fleet vehicles
  • European vehicles, including Mercedes-Benz

Because every vehicle is different, the right replacement option depends on the make, model, condition, and your situation. Call us to discuss your particular vehicle.

Talk to Us About Your Vehicle
Engine Replacement Questions

Engine Replacement FAQs

Straightforward answers to the questions we hear most often about engine replacement and engine swaps.