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Forum: 11-16 LML Duramax Powertrain   01-31-2020, 06:42 AM
Replies: 139
Views: 32,083
Posted By Clark001
American DMAX, I understand how the CP4 pump and...

American DMAX, I understand how the CP4 pump and fuel delivery system works. I just added the BTW to my post as an update to my previous posts to the high mileage theme of this thread. I'm mostly...
Forum: 11-16 LML Duramax Powertrain   01-29-2020, 10:59 AM
Replies: 139
Views: 32,083
Posted By Clark001
American DMAX, do you know why the shop doing the...

American DMAX, do you know why the shop doing the CP3 conversions is doing those jobs? Is it mostly elective by owners doing a pre-emptive change, or are they switching as the result of an actual CP4...
Forum: 11-16 LML Duramax Powertrain   01-08-2020, 05:41 PM
Replies: 139
Views: 32,083
Posted By Clark001
Another update. We just drove up to Jacksonville,...

Another update. We just drove up to Jacksonville, FL from Punta Gorda, FL and now have 157,700 miles. Still running strong. Any ideas from those of you with similar miles on how best to keep things...
Forum: 11-16 LML Duramax Powertrain   01-05-2020, 01:18 PM
Replies: 9
Views: 5,178
Posted By Clark001
I don't see any recent discussion on this code so...

I don't see any recent discussion on this code so I'm posting in an effort to gather insights from members regarding possible causes and solutions.

My 2012 Silverado 3500HD dually has 157,000...
Forum: 11-16 LML Duramax Powertrain   12-05-2019, 06:12 PM
Replies: 139
Views: 32,083
Posted By Clark001
Updating previous posts with current miles, now...

Updating previous posts with current miles, now at 155,000. Still all stock, except for the Wherli FPR upgrade, and no problems since the ones previously listed (DEF tank replaced, a NOx sensor, glow...
Forum: 2011-2016 (Non Powertrain)   12-05-2019, 05:43 PM
Replies: 5
Views: 549
Posted By Clark001
25,000 miles on a set of OEM brakes seems very...

25,000 miles on a set of OEM brakes seems very short of a normal life expectancy, unless you have some other related problem.
I have 155,000 miles on my factory brakes, including a lot of miles...
Forum: 2011-2016 (Non Powertrain)   12-05-2019, 04:55 PM
Replies: 34
Views: 4,982
Posted By Clark001
Thank you for the excellent write up and photos....

Thank you for the excellent write up and photos. I bought this system after seeing the companys "how to install" video on YouTube. Will install at my next fuel filter change, turning this procedure...
Forum: 11-16 LML Duramax Powertrain   11-08-2019, 08:16 PM
Replies: 139
Views: 32,083
Posted By Clark001
Updating previous posts with current miles, now...

Updating previous posts with current miles, now at 150,000 and no issues.
Forum: Towing & Hauling   08-01-2019, 05:13 PM
Replies: 25
Views: 1,482
Posted By Clark001
I'm on my 3rd 5th wheel, and have accumulated a...

I'm on my 3rd 5th wheel, and have accumulated a lot of miles over the years. You're wear rate is atypical. Start by ensuring your alignment is correct, and upgrade your suspension with heavy duty...
Forum: 11-16 LML Duramax Powertrain   07-20-2019, 06:56 PM
Replies: 139
Views: 32,083
Posted By Clark001
I installed the Wherli Fuel System Saver FPR...

I installed the Wherli Fuel System Saver FPR yesterday. Easy install - just detach and set aside the AC compressor for access. New FPR is identical except the filter basket is all metal with a finer...
Forum: 11-16 LML Duramax Powertrain   07-19-2019, 11:18 AM
Replies: 139
Views: 32,083
Posted By Clark001
Further to my last post, I've noted the oil...

Further to my last post, I've noted the oil viscosity comments. Just FYI, Rotella T6 full synthetic motor oil is available in 15W-40 now. Both Wal Mart and Amazon carry it.
Forum: 11-16 LML Duramax Powertrain   07-19-2019, 11:15 AM
Replies: 139
Views: 32,083
Posted By Clark001
Updating to this thread. I just turned 145,000...

Updating to this thread. I just turned 145,000 miles.

All original and stock except for DEF tank replaced (failed heater), the forward NOx sensor and one fuel injector replaced.

We tow a 36...
Forum: General Discussion   05-23-2019, 04:25 PM
Replies: 13
Views: 1,438
Posted By Clark001
I have a 2012 3500HD crew cab dually LTZ long box...

I have a 2012 3500HD crew cab dually LTZ long box and use it to tow a 36 foot 5th wheel. I have 143,000 miles now, and have used Shell Rotella semi synthetic and Baldwin filters at 5,000 mile...
Forum: 11-16 LML Duramax Powertrain   11-27-2018, 05:25 PM
Replies: 6
Views: 458
Posted By Clark001
Just replaced one of mine, at 126,000 miles....

Just replaced one of mine, at 126,000 miles. Procedure is simple, like changing a spark plug. Buy and use the MA tool noted above, and apply a good penetrant a day prior. Biggest issue is location....
Forum: 11-16 LML Duramax Powertrain   11-27-2018, 05:24 PM
Replies: 6
Views: 458
Posted By Clark001
Just replaced one of mine, at 126,000 miles....

Just replaced one of mine, at 126,000 miles. Procedure is simple, like changing a spark plug. Buy a use the MA tool noted above, and apply a good penetrate a day prior. Biggest issue is location....
Forum: 11-16 LML Duramax Powertrain   11-27-2018, 05:19 PM
Replies: 139
Views: 32,083
Posted By Clark001
Just turned 131,000 miles. Only problems have...

Just turned 131,000 miles. Only problems have been DEF tank heater failure (replaced under warranty), a NOx sensor and a glow plug. Completely stock. I do use a cold weather fuel additive and the...
Forum: 11-16 LML Duramax Powertrain   08-31-2018, 06:21 PM
Replies: 139
Views: 32,083
Posted By Clark001
Im at 125,000 miles with a stock 2012 Silverado...

Im at 125,000 miles with a stock 2012 Silverado 3500 HD LTZ. I've done a lot of towing with a 36 foot 5th wheel, and have taken it to Alaska with a truck camper. No problems so far, and just routine...
Forum: General Discussion   08-31-2018, 06:12 PM
Replies: 7
Views: 2,319
Posted By Clark001
I recently purchased the relocation kit for my...

I recently purchased the relocation kit for my otherwise stock 2012 3500 HD. I wanted easier access for routine service, and for dealing with any water in fuel alerts. I plan to install at the next...
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