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102,000 Mile Update

6022 Views 17 Replies 10 Participants Last post by  BDCCruze
Just wanted to drop a quick note on how the car has been and what we have had to do deal with over the last 2 years or so.

The car has been pretty much 100% reliable with a few hiccups along the way. I'll list them in a minute. The only thing that I have noticed, is that documented MPG has gone down 2-3 MPG over the last year and not sure for the reason, It actually had better MPG when it had 0 miles on it than it does with a 100k Maybe all the Regen update flashes are killing it?


1 Set of tires
1 Turd Handler (AKA wastegate actuator) (Graciously reminded this was replaced too.)
1 Battery
1 Steering gear box
2 fan blower motors
1 transmission seal gasket (leaking)
1 DEF tank heater
2 NOX sensors
2 or 3 fuel filters.
10 Oil Changes
1 Timing belt. I just did the timing belt job this weekend. It really is super easy and if you have the tools and mechanical knowledge I think most DIY'ers could do this them selves. Just be careful when re routing the timing belt and torque everything to spec and you should be fine.

Future projects starting this month. Replacing S&S with Billsteins. Brakes are still pretty good but wife says it does not stop like it used to so going to do a brake job as well. I had purchased the Gm extra guard to 100,000 miles so now that we are out of warranty I'm doing the delete kit as well.

Other than that I can't think of anything that would be a deal breaker for us and the car. YMMV

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· Registered
2014 Cruze TD
1,056 Posts
This has been my experience as well. But not for the faint-hearted.

The true factory rotors on my 9C1 Caprice were over $250 a pop back in the day. Also available from GM were service parts at about half that cost and AC Delco parts at even less. Talk about an eye watering brake job - but I didn't want to alter the 9C1 braking characteristics.

Another consideration for those living in coastal or salt belt regions is that the true factory rotors have the FNC treatment that the service parts or AC Delco parts do not have.
Regarding price, I think if you buy "Genuine GM Parts" or "OEM GM" online or at a dealer it just cost more over the ACDelco because GM is marking them up. For the Cruze, the ACDelco rotors are not much more than aftermarket.

I was always curious if the ACDelco Professional grade is the same as the OEM stuff. Can someone correct me if I am wrong about that? If it is, it would be a big saving over the OEM markup.

ACDelco does make "Advantage" series too which is just their cheap line, I would avoid.

The ACDelco Professional parts have a anti-rust coating on them too.


· Registered
2014 Cruze TD
1,056 Posts
Congrats on the 100K. Great to see more get there, I notice my MPG is dropping too. Was @ 44.6 for the longest time. Had the second recall for the NX sensor & reflash in June. MPG dropping since. But the car is running great with not CEL or other problems.
I was actually recording my MPG for about 3 months prior to the Summer 2017 flash, so afterwords I kept going. I had 10 fills up prior to the flash and 16 after. Obviously 16 is a larger sample size, but I gained 1.3 MPG post-flash. If I reduce the post-flash down to the 10 immediately following to increase margin of error, my gain drops to .9 MPG increase. That's still a 2% uplift. My driving is about 85% highway 15% city. Approximately 600 miles per week.

Bottom line is I think truthfully the .9 MPG increase is margin of error and that the trim flash likely netted no change in MPG.
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