4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
65,525 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. replace exhaust manifold (2 reports)
2003 Infiniti M45 exhaust system problems

exhaust system problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2003 Infiniti M45:

Unsubscribe any time. We don't sell/share your email.

2003 Infiniti M45 Owner Comments

problem #2

Jan 152010

M45 4.5L

  • 103,050 miles

A D V E R T I S E M E N T S

This is the second exhaust manifold that has cracked on my car. The first went out around 45K miles and was fixed under warranty. The first time it was a small crack and produced a ticking noise. This time it's a bit larger and makes the noise of a rumble. It makes the engine sound powerful and my mechanic said it's so small I don't have to worry about damaging the engine (it also doesn't get cold here). So I put up with the muscular sounding engine, but when I have clients in my car, I don't think it's a good thing.

- , Simi Valley, CA, USA

problem #1

Mar 012005

M45 4.5L

  • 28,000 miles

Ticking noise was the exhaust leaking from the exhaust manifold. The dealer replaced under warranty. These things are cast iron and shouldn't crack at this low mileage.

- , Simi Valley, CA, USA

Search CarComplaints.com for these popular complaint phrases...

Not what you are looking for?