# Best diesel repair shops in Pasadena

Data as of November 11, 2026. 9 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience. How the ranking works: [method](https://bestautorepairshops.com/method/) (markdown: https://bestautorepairshops.com/method/index.md).

| # | Shop | Neighbourhood | Known for | Score |
|---|---|---|---|---|
| 1 | [Pasadena Auto Service](https://bestautorepairshops.com/houston/pasadena-auto-service/) | Pasadena | Shuttle or loaner car, ASE certified technicians, Towing | 85/100 |
| 2 | [Discount Inspection & Brake](https://bestautorepairshops.com/houston/discount-inspection-and-brake-pasadena-ofh7qa/) | Pasadena | Shuttle or loaner car, ASE certified technicians, Diesel repair | 84/100 |
| 3 | [Discount Inspection & Brake](https://bestautorepairshops.com/houston/discount-inspection-and-brake-pasadena-sqwgsm/) | Pasadena | Shuttle or loaner car, ASE certified technicians, Diesel repair | 84/100 |
| 4 | [PAC - Pasadena Auto Care](https://bestautorepairshops.com/houston/pac-pasadena-auto-care/) | Pasadena | Shuttle or loaner car, Diesel repair, Warranty on repairs | 60/100 |
| 5 | [PAC Automotive](https://bestautorepairshops.com/houston/pac-automotive-pasadena/) | Pasadena | Diesel repair, Warranty on repairs, Wheel alignment | 51/100 |
| 6 | [Bob's Truck Care, Inc](https://bestautorepairshops.com/houston/bobs-truck-care-inc/) | Pasadena | Diesel repair, State inspection, Tire service | 48/100 |
| 7 | [TRM Auto Diesel Serv. Inc.](https://bestautorepairshops.com/houston/trm-auto-diesel-serv-inc/) | Pasadena | Diesel repair, Transmission repair, Engine diagnostics | 35/100 |
| 8 | [Diesel Chuy’s Mechanic](https://bestautorepairshops.com/houston/diesel-chuys-mechanic/) | Pasadena | Diesel repair, Transmission repair, Air conditioning repair | 29/100 |
| 9 | [CJE Performance & Automotive](https://bestautorepairshops.com/houston/cje-performance-and-automotive/) | Pasadena | Diesel repair, Tire service, Engine diagnostics | 19/100 |

## 1. [Pasadena Auto Service](https://bestautorepairshops.com/houston/pasadena-auto-service/)

Pasadena · since 2005 · 4.7 rating from 443 reviews

- Review cadence: 25/25
- Review sentiment: 17/25
- Capabilities: 18/25
- Years of experience: 25/25
- Total: 85/100

## 2. [Discount Inspection & Brake](https://bestautorepairshops.com/houston/discount-inspection-and-brake-pasadena-ofh7qa/)

Pasadena · since 1998 · 4.9 rating from 2559 reviews

- Review cadence: 25/25
- Review sentiment: 19/25
- Capabilities: 15/25
- Years of experience: 25/25
- Total: 84/100

## 3. [Discount Inspection & Brake](https://bestautorepairshops.com/houston/discount-inspection-and-brake-pasadena-sqwgsm/)

Pasadena · since 1998 · 4.9 rating from 2054 reviews

- Review cadence: 25/25
- Review sentiment: 19/25
- Capabilities: 15/25
- Years of experience: 25/25
- Total: 84/100

## 4. [PAC - Pasadena Auto Care](https://bestautorepairshops.com/houston/pac-pasadena-auto-care/)

Pasadena · reviewed since at least 2025 · 4.9 rating from 385 reviews

- Review cadence: 22/25
- Review sentiment: 21/25
- Capabilities: 15/25
- Years of experience: 2/25
- Total: 60/100

## 5. [PAC Automotive](https://bestautorepairshops.com/houston/pac-automotive-pasadena/)

Pasadena · reviewed since at least 2025 · 4.9 rating from 100 reviews

- Review cadence: 20/25
- Review sentiment: 19/25
- Capabilities: 10/25
- Years of experience: 2/25
- Total: 51/100

## 6. [Bob's Truck Care, Inc](https://bestautorepairshops.com/houston/bobs-truck-care-inc/)

Pasadena · since 1975 · 4.5 rating from 73 reviews

- Review cadence: 7/25
- Review sentiment: 6/25
- Capabilities: 10/25
- Years of experience: 25/25
- Total: 48/100

## 7. [TRM Auto Diesel Serv. Inc.](https://bestautorepairshops.com/houston/trm-auto-diesel-serv-inc/)

Pasadena · reviewed since at least 2019 · 4.6 rating from 118 reviews

- Review cadence: 9/25
- Review sentiment: 10/25
- Capabilities: 5/25
- Years of experience: 11/25
- Total: 35/100

## 8. [Diesel Chuy’s Mechanic](https://bestautorepairshops.com/houston/diesel-chuys-mechanic/)

Pasadena · reviewed since 2020 · 4.8 rating from 18 reviews

- Review cadence: 0/25
- Review sentiment: 10/25
- Capabilities: 8/25
- Years of experience: 11/25
- Total: 29/100

## 9. [CJE Performance & Automotive](https://bestautorepairshops.com/houston/cje-performance-and-automotive/)

Pasadena · reviewed since 2021 · 4.3 rating from 12 reviews

- Review cadence: 0/25
- Review sentiment: 3/25
- Capabilities: 6/25
- Years of experience: 10/25
- Total: 19/100

## Questions

**Which diesel repair shop in Pasadena ranks highest?** [Pasadena Auto Service](https://bestautorepairshops.com/houston/pasadena-auto-service/), with a score of 85 out of 100.

**Which diesel repair shop in Pasadena has the most reviews in the last 12 months?** [Discount Inspection & Brake](https://bestautorepairshops.com/houston/discount-inspection-and-brake-pasadena-ofh7qa/), with 80+ reviews in the last 12 months.

**Which diesel repair shop in Pasadena has the highest Google rating?** [Discount Inspection & Brake](https://bestautorepairshops.com/houston/discount-inspection-and-brake-pasadena-ofh7qa/), rated 4.9 from 2559 reviews.

**Which diesel repair shop in Pasadena has been open the longest?** [Bob's Truck Care, Inc](https://bestautorepairshops.com/houston/bobs-truck-care-inc/), founded in 1975, going by the year it states itself.

**How many shops does this ranking include?** 9 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.