Automobile · Transmission Repair

National Transmission, Inc.

5475 US-6, Portage, Indiana, 46368

Google Maps Updated: 19 May 2026
Authenticity Score: 75/100
About

National Transmission is a shop that many customers trust for their transmission needs, with many praising Andrew's professionalism and the shop's fair pricing. However, there are some serious complaints about repair quality, with some customers alleging that rebuilds were not performed correctly. It's a shop that seems to have a good reputation for some, but others have had very negative experiences.

Our Review Process
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Most Relevant
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Newest
20
Highest rating
18
Lowest rating

We analyze 73 public reviews for National Transmission, Inc. using our data models and filter out spam to highlight only authentic feedback.

Performance Scores
Service Quality 70/100
Transparency 60/100
Pro Tip

Ask to see the old parts and get a clear explanation of the repair process.

Transmission specialists
Fleet service
Pros & Cons

✓ What Works Well

  • Professional and fair pricing
  • Good for transmission work
  • Friendly staff

✗ Areas to Improve

  • Allegations of poor repair quality
  • Inconsistent diagnostic accuracy
  • Some communication issues
Frequently Asked Questions
  • Do you offer a warranty?
  • Why is the repair taking so long?
  • Can you show me the old parts?
User Feedback

Andrew is great.

Be careful with the final bill.

Good for some, bad for others.