Break in protocol ? - Jeep TrackHawk Forum
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post #1 of 15 Old 11-28-2017, 01:58 AM Thread Starter
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Break in protocol ?

Assuming we all receive our Trackhawks soon, what should the recommended "break-in" procedures be?
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post #2 of 15 Old 11-28-2017, 12:39 PM
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Assuming we all receive our Trackhawks soon, what should the recommended "break-in" procedures be?
ENGINE BREAK-IN RECOMMENDATIONS The following tips will be helpful in obtaining optimum performance and maximum durability for your new SRT Vehicle. Despite modern technology and World Class manufacturing methods, the moving parts of the vehicle must still wear in with each other. This wearing in occurs mainly during the first 500 miles (805 km) and continues through the first oil change interval. It is recommended for the operator to observe the following driving behaviors during the new vehicle break-in period: 0 to 100 miles (0 to 161 km): • Do not allow the engine to operate at idle for an extended period of time. • Depress the accelerator pedal slowly and not more than halfway to avoid rapid acceleration. • Avoid aggressive braking.
• Drive with the engine speed less than 3,500 RPM. • Maintain vehicle speed below 55 mph (88 km/h) and observe local speed limits. 100 to 300 miles (161 to 483 km): • Depress the accelerator pedal slowly and not more than half way to avoid rapid acceleration in lower gears(1stto 3rd gears). • Avoid aggressive braking. • Drive with the engine speed less than 5,000 RPM. • Maintain vehicle speed below 70 mph (112 km/h) and observe local speed limits. 300 to 500 miles (483 to 805 km): • Exercise the full engine rpm range, shifting manually (paddles or gear shift) at higher rpms when possible. • Do not perform sustained operation with the accelerator pedal at wide open throttle. • Maintain vehicle speed below 85 mph (136 km/h) and observe local speed limits.

STARTING AND OPERATING 235
For the first 1500 miles (2414 km): • Do not participate in track events, sport driving schools, or similar activities during the first 1500 mi (2414 km).
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post #3 of 15 Old 11-28-2017, 02:50 PM
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In translation...

Let your grandma drive the car for the first 300 miles, then have your mom drive it for the next 200 miles. Then you can drive it after that. Unless we follow these more achievable goals with substitute drivers, I don't see how any of us lead foots will be able to refrain from skipping or ignoring the break in period altogether. Or maybe put it up on blocks for 500 miles and set the cruise, cause these guidelines are wholly unrealistic for the types of people that bought this car. I'm personally going to rely on my warranty and enjoy it as it's supposed to be enjoyed from day one. If there are issues with it as a result, then FCA will be addressing it under warranty. Maybe with such high performance vehicles like this, if the break in period is so crucial - then FCA should be doing it under the QC period prior to delivery. Or at least program the ECU so as to set these limits for us so we can’t stray from the recommended break in period instructions until we hit the set mileage.

How many of you actually think you’ll be able to stay within these break in parameters recommended? That’d be an interesting poll to take.
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post #4 of 15 Old 11-28-2017, 07:36 PM
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Originally Posted by hanksan View Post
Assuming we all receive our Trackhawks soon, what should the recommended "break-in" procedures be?
Drive it Like Ya Stole It...Let the Computer Know Right Off the Bat Who is Boss and How it Is Going To Be Driven, So it Can Adapt A Course

^^^^What is Posted Above is Out of Owners Manual Though^^^^
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post #5 of 15 Old 03-20-2018, 05:39 PM
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Drive it Like Ya Stole It...Let the Computer Know Right Off the Bat Who is Boss and How it Is Going To Be Driven, So it Can Adapt A Course

^^^^What is Posted Above is Out of Owners Manual Though^^^^
With our experience I do not know if there is a wright or wrong way to do this. We have built many engines and take them from engine stand to running with break in oil. Change that oil and wright over to the chassis dyno for some serious RPM and power pulls. We have also had cars come in with less than 500 miles and put them to the test on the dyno and have yet to see any of them come apart.
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post #6 of 15 Old 05-06-2018, 05:47 PM
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Is it ok to use the track mode during break in? Just wondering if that would cause additional stress to moving parts. Or just leave it on auto/street mode for the first 500?
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post #7 of 15 Old 05-06-2018, 09:13 PM
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You can use track mode, but just follow the guidelines. Don't hammer it for prolonged periods. At 500, have at it.
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post #8 of 15 Old 12-06-2019, 01:36 PM
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Originally Posted by JMS935 View Post
How many of you actually think you’ll be able to stay within these break in parameters recommended? That’d be an interesting poll to take.
I'be been able to restrain myself with several pickups, a Hellcat, and a Redeye, so breaking in a 'wagon properly shouldn't be too hard. I hope.
Not worried about the engine as much as the axle gears. Have had way too many failures with FCA axles to chance it.

Yes, it absolutely sucks to sit there at a measly 55 mph where I'd normally drive 100, but it'd suck more to have to change the gears and start over. Or worse yet, have a dealer change them.

'18 Challenger, '19 Challenger, '20 Trackhawk ordered.
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post #9 of 15 Old 12-07-2019, 11:07 AM
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Drive it the way you're always gonna drive it, the day you pull off the lot.

This isn't the old days where engines NEED to be broken in. You really think these things are assembled and NOT ran out for any amount of time before they're shipped to the dealer?

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post #10 of 15 Old 12-07-2019, 11:32 AM
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There is a break in procedure written by the manufacturer. It’s titled engine break in but seems like it’s more for the rest of the powertrain. This has been discussed before if you want to search and find the procedure but it calls for certain driving style for the first 1500 miles.
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