---
title: "Car Mechanic Simulator 2021: Complete Guide"
game: "Car Mechanic Simulator 2021"
game_url: "https://qna.gg/games/car-mechanic-simulator-2021"
author: "Qloud"
author_url: "https://qna.gg/players/Qloud"
topics: ["Walkthroughs", "Achievements"]
summary: "A practical guide to Red Dot Games' garage sim: finding faults quickly, profitable orders, garage upgrades and skills, buying and flipping cars from auctions, barns and junkyards, and a plan for all 46 achievements.…"
url: "https://qna.gg/g/car-mechanic-simulator-2021-complete-guide-c5fc06e8"
published: "2026-09-27T20:33:36.101Z"
updated: "2026-09-27T20:33:36.101Z"
source: "QnA.GG"
---

# Car Mechanic Simulator 2021: Complete Guide

A practical guide to Red Dot Games' garage sim: finding faults quickly, profitable orders, garage upgrades and skills, buying and flipping cars from auctions, barns and junkyards, and a plan for all 46 achievements.

*Researched September 2026 — current as of Patch 1.0.40 (7 July 2026, Pickup DLC). Live games change; check the linked sources if something differs.*

> **Series note:** Car Mechanic Simulator 2026 has a single-player demo (released 30 March 2026) and is planned for 2026 with co-op. CMS 2021 is still supported and recently received the Pickup DLC.

---

## Quick Start

1. **Read the order carefully.** Each job lists the problem area. Focus on those parts first.
2. **Diagnose before replacing.** Use the examine mode and diagnostic tools to find worn parts. Replacing healthy parts wastes money.
3. **Take orders with bonuses.** Orders can include money or experience bonuses; finishing them unlocks achievements (Good tip, Life lesson).
4. **Buy parts from the main shop** at first. Later, repair parts yourself to save money.
5. **Level up to unlock skills.** Experience from jobs gives skill points; skills speed up work and unlock tools.
6. **Expand the garage.** Garage expansions unlock new tools and spaces (paint shop, test track, car wash).
7. **Flip cars for profit.** Buy from auctions, barns and junkyards; restore and sell.
8. **Keep your inventory clean.** Sell used parts you don't need.
9. **Use the path test and test track.** They reveal suspension, brake and steering problems.

---

## The Garage

### Key tools and stations

| Tool or station | Use |
|---|---|
| Car lift | Raise the car for underbody work |
| Diagnostic tools | Read faults and test components (e.g., OBD scanner, compression tester) |
| Tire changer and wheel balancer | Change and balance tires |
| Brake lathe | Machine brake discs |
| Repair table | Repair parts instead of replacing them |
| Paint shop | Paint cars and parts |
| Car wash | Remove grime from cars |
| Path test | Tests suspension and brakes |
| Test track | Drive and time laps |
| Fuse box | Electrical fault diagnosis |

### Garage expansions

Garage expansions unlock with money and level. Unlocking all of them earns the **Like a boss** achievement. Parking spaces are also expandable (**Parking boy**: unlock 10 parking alleys).

---

## Walkthrough: Your First Few Orders

1. **Accept an easy order.** Early orders usually point at one system: brakes, exhaust, suspension or a basic engine service.
2. **Park the car on a lift** (or a free spot for simple jobs) and open the job card. It tells you which area has problems and sometimes which specific parts.
3. **Examine the area.** Hover over parts in examine mode to see their condition percentage. Anything the order flags that shows as worn is a candidate for replacement.
4. **Disassemble carefully.** Parts come off in a logical order; covers and wheels first, then what's behind them. If a part won't come off, something is still attached to it.
5. **Buy replacements.** Use the tablet/shop to order exact matching parts. Add them to your cart as you go so you don't forget one.
6. **Reassemble and check.** Reinstall everything, then confirm with the job card that every task is ticked.
7. **Test if needed.** For suspension and brake jobs, run the path test to confirm.
8. **Hand the car back.** Collect your payment and XP.

**Tip:** Keep the car's parts in your inventory organized by sorting; mistakes like installing a part from a different car model waste time.

### Typical order types

| Order type | What usually needs work |
|---|---|
| Brakes | Brake pads, discs, calipers, brake fluid |
| Suspension | Shocks, springs, control arms, bushings |
| Exhaust | Mufflers, pipes, catalytic converter |
| Engine service | Oil, filters, spark plugs, belts |
| Engine fault | Deeper diagnosis with test tools, possible engine rebuild |
| Electrical | Fuses and electronics |
| Body | Dents, rust, panels, paint |

As you level up, orders get more complex and pay more. Some require a full engine rebuild or multiple systems at once.

---

## Diagnosing Faults

### Examine mode

The revised part-examine mode highlights parts by condition. Use it to find worn parts quickly without disassembling everything.

### Common symptoms and tools

- **Engine problems:** Use diagnostic tools and compression testing to find worn engine components.
- **Suspension/steering:** Path test reveals worn suspension parts.
- **Brakes:** Path test and visual inspection; the brake lathe restores discs.
- **Electrical:** Fuse boxes and electronic diagnostics.
- **Body:** Dents and rust on body panels; repair or replace.

### Rusted bolts

Some bolts are rusted and harder to remove. Plan extra time and tools for older cars.

### Fluids

CMS 2021 models car fluids. Check and refill oil, coolant, brake fluid and others as needed. Pouring old oil on the floor unlocks a (slippery) achievement.

---

## Money and Orders

- **Orders** are infinitely generated. Easy orders early build XP and cash.
- **Story missions** are handcrafted challenges with specific requirements.
- **Bonuses:** Money or XP bonuses on orders reward speed and accuracy.
- **Part quality:** The quality upgrade system lets you use better parts for bonuses.

**Money tips:**

- Don't replace parts that aren't listed as needing repair.
- Repair parts at the repair table where possible.
- Sell unneeded parts from inventory.

---

## Buying and Flipping Cars

| Source | Pros | Cons |
|---|---|---|
| Auctions | Wide selection | Unknown condition, bidding wars |
| Salvage auctions | Cheap, damaged cars | Heavy repair work |
| Barns | Rare hidden gems | Must search, condition varies |
| Junkyards | Cheap parts and cars | Poor condition |
| Salon (dealership) | New cars | Expensive |

**Flipping loop:**

1. Buy a car cheaply.
2. Diagnose all worn parts.
3. Replace or repair.
4. Clean and paint.
5. Sell for profit.

Profits grow as your skills and tools improve.

### Restoring a project car

A full restoration is the most satisfying (and often most profitable) thing you can do once you have money and garage space:

1. **Inspect before buying.** At barns and junkyards, look at the body condition and what's missing. A car with a complete engine saves a lot of cash.
2. **Bring it home and strip it.** Remove everything you can; examine each part as it comes off.
3. **Sort parts:** keep good ones, repair salvageable ones at the repair table, and buy new for the rest.
4. **Body work:** Fix dents, replace rusted panels and paint the body in the paint shop.
5. **Wash and detail** in the car wash to remove grime.
6. **Rebuild** the engine and chassis, then refill fluids.
7. **Test drive** on the path test and test track to confirm everything works.
8. **Sell or keep.** Sell for profit or keep it in your parking as a collection piece.

**Budget rule:** Estimate the cost of missing and broken parts before buying. A cheap barn find can become a money pit if the engine is missing.

---

## Skills and Progression

- **Levels:** Earn XP from jobs and activities. Reaching level 5, 20 and 50 unlocks achievements.
- **Skills:** Spend points to speed up work and unlock abilities. Unlocking all skills earns **Well trained**.
- **Garage upgrades:** More space and tools.

**Priority:** Skills that speed up repairs and diagnosis first, then those that improve profit.

---

## DLCs

CMS 2021 has a large DLC catalog. Car packs include Nissan, Electric Car, Jaguar, Land Rover, Pagani Remastered, Porsche Remastered, Hot Rod Remastered, Mazda Remastered, Aston Martin, Mercedes-Benz Remastered, Ford Remastered, Dodge/Plymouth/Chrysler Remastered, BMW, Jeep/RAM Remastered and Lotus Remastered. Specialty packs include Drag Racing, China, Rims, Rims 2, Taxi, Police and the new **Pickup DLC**.

### Pickup DLC (7 July 2026)

Adds six pickup trucks: Ribbsan Malaga, Bolt Appalachia, Echo Toro Gen V, Skura Osava, Salem Earthquake Gen IX, and Salem Earthquake Gen X Rex. Each can be bought, repaired, restored and tested like any other car.

---

## Achievements (46 total)

A few notable ones and how to get them:

| Achievement | Requirement |
|---|---|
| Job done! | Finish 1 order |
| Vulcanizer | Balance 5 tires |
| Slippery floor | Pour old oil on the floor |
| Road tested | Finish test track |
| Like a boss | Unlock all garage expansions |
| New heart | Swap engine |
| Racer boy | Finish lap with time under 1:50 |
| Well trained | Unlock all skills |
| The Mechanic | Reach level 50 |
| Wrench Master | Unscrew 10,000 bolts |
| Time for holidays | Finish all the special missions |
| Barn finder | Buy 30 cars from barn |
| Trader | Renovate and sell 50 cars |

**Achievement tips:**

- **Racer boy:** Use a fast, well-tuned car on the test track.
- **Wrench Master:** Comes naturally over long play.
- **Trader and Barn finder:** Make them part of your flipping loop.
- **Time for holidays:** Complete all special (story) missions.

---

## Common Mistakes to Avoid

- **Replacing parts that aren't broken.**
- **Ignoring examine mode.**
- **Forgetting to check fluids.**
- **Overpaying at auctions.**
- **Leaving inventory full of junk parts.**
- **Skipping skill upgrades.**
- **Neglecting path tests** for suspension and brakes.

---

## Advanced Tips

- **Engine swaps** can boost resale value and earn New heart.
- **Tuning** at higher levels improves performance and value.
- **Paint and visual customization** raise selling prices.
- **Repair instead of buy** once you have the repair table and skills.
- **Use barns and junkyards** for rare parts and cars.
- **Test track time trials** reward tuning and driving skill.

---

## FAQ

**Is Car Mechanic Simulator 2021 still updated?**
Yes. Patch 1.0.40 and the Pickup DLC released 7 July 2026.

**How many cars are in the game?**
The base game has 72 cars, with many more through DLC.

**What's the best way to make money?**
Complete orders with bonuses, then flip cars from auctions and barns.

**Should I wait for CMS 2026?**
CMS 2026 is planned for 2026 with co-op. CMS 2021 has a much larger DLC library right now.

**How do I find broken parts quickly?**
Use examine mode, diagnostic tools and path tests.

**How do I get Racer boy?**
Finish a lap on the test track under 1:50 with a fast car.

---

## Sources

- [Car Mechanic Simulator 2021 on Steam](https://store.steampowered.com/app/1190000/)
- [CMS 2021 achievements (Steam global stats)](https://steamcommunity.com/stats/1190000/achievements/)
- [CMS 2021 Steam news (Pickup DLC, Patch 1.0.40, CMS 2026 demo)](https://store.steampowered.com/news/app/1190000)
