Engine toast!
Thread Starter
Heel & Toe
Joined: Aug 2015
Posts: 20
Likes: 0
From: Allen TX
Engine toast!
So I drive a 2014 Z51 M7. Driving down the highway last week and the car started making some horrible noises (clunking and grinding). Immediately drove to the dealer. The next day the service manager calls me and says what everyone dreads hearing... "Sorry to tell you this, but you need a new engine"
WHAT!!???!!!
So after a little back and forth with GM they will be replacing my motor. Not thrilled, but at least it is covered.
Thinking I will trade in on a GS just so I can start fresh
WHAT!!???!!!
So after a little back and forth with GM they will be replacing my motor. Not thrilled, but at least it is covered.
Thinking I will trade in on a GS just so I can start fresh
Instructor
Joined: Oct 2016
Posts: 193
Likes: 47
From: San Francisco CA
It happened to me too with my 2017 Grand Sport w/ 2000 miles on it.
Here's the link to mine: 2017 GS Rod Knock New Engine
They gave me a new engine, but it ended up happening to the new engine too (what are the odds) so I traded the car in for my Z06. Now my Z06 w/ 700 miles has throttle issues below 4k. 3 engines and 3 problems -- how can this be??
I hope things go better for you
Here's the link to mine: 2017 GS Rod Knock New Engine
They gave me a new engine, but it ended up happening to the new engine too (what are the odds) so I traded the car in for my Z06. Now my Z06 w/ 700 miles has throttle issues below 4k. 3 engines and 3 problems -- how can this be??
I hope things go better for you
Thread Starter
Heel & Toe
Joined: Aug 2015
Posts: 20
Likes: 0
From: Allen TX
Thrust bearing broke and the engine ate it 
UPDATE: Just heard back from the dealer... after final diagnostics, the thrust bearing was gone...could not even find the pieces. 1/8 inch play in the crankshaft (HOLY CRAP) and cracked rod in #3 cylinder.
UPDATE: Just heard back from the dealer... after final diagnostics, the thrust bearing was gone...could not even find the pieces. 1/8 inch play in the crankshaft (HOLY CRAP) and cracked rod in #3 cylinder.
Last edited by imatur; May 8, 2017 at 05:28 PM.
Thread Starter
Heel & Toe
Joined: Aug 2015
Posts: 20
Likes: 0
From: Allen TX
It happened to me too with my 2017 Grand Sport w/ 2000 miles on it.
Here's the link to mine: 2017 GS Rod Knock New Engine
Here's the link to mine: 2017 GS Rod Knock New Engine
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