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r/Cummins

18,005 subscribers

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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to r/Cummins by Ram2504
8 months ago
04diesel brake issue
to r/Cummins by MKeith93
7 months ago
Preview thumbnail for Ball joint press sleeve/adapter part numbers. image
Ball joint press sleeve/adapter part numbers.
to r/Cummins by Ok_Potential_2062
2 weeks ago
How to know when to rebuild engine
to r/Cummins by MKeith93
9 months ago
theres a loud clicking noise ONLY when letting off the gas pedal going 30 mph or more. noise seems to be coming from the under the truck around the transmission transfer case u joints do seem to have some slack but i imagine the noise would happen when giving it throttle. any help is appreciated
to r/Cummins by KindlyTable3927
9 months ago
CCV delete catch can breather filter….
to r/Cummins by KindlyTable3927
9 months ago
P226c slow response from turbo…
to r/Cummins by KindlyTable3927
9 months ago
Ccv delete….
to r/Cummins by KindlyTable3927
9 months ago
Billet valve cover and catch can
to r/Cummins by Resident_Incident_61
9 months ago
Preview thumbnail for Driveshaft leak image
Driveshaft leak
to r/Cummins by KindlyTable3927
9 months ago
Coolant sucked through turbo…
to r/Cummins by Next_Ad_9869
11 months ago
Can I tow with a bad turbo boost module
to r/Cummins by Genes-Simmon
2 months ago
for those of you who owned and sold a 5.9L as a work truck, why did you sell it? what work were you using it for? how many miles a year were you putting on it? how much realistically were you spending on maintenance every year?
to r/Cummins by cumminsfan24
10 months ago
Crank case breather
to r/Cummins by Kotcxkillakane
4 months ago
What years of Cummins should I avoid?
to r/Cummins by Equivalent-Candy885
9 months ago
Programmer help
to r/Cummins by AK4041
1 year ago
So, hypothetically, if I were to remove some government mandated components...
to r/Cummins by Hamburglar7193
1 year ago
Possible problems with new truck or am I just a bit paranoid?
to r/Cummins by PullinLevers
7 months ago
Realistic highway MPG: stock 6.7 srw 3500 club
to r/Cummins by Southern-Client2056
10 months ago
First Gen 1990 d350 bone stock
to r/Cummins by Civil_Ad_9113
1 year ago
4th gen. After I did my EGR delete I get turbo surge when it shifts from 4-5th or 5th to 6th towing. Is this normal, or has anyone else had this happen?
to r/Cummins by TheGreatDrewbowski
1 year ago
1991 D250 12 valve
to r/Cummins by PullinLevers
7 months ago
Is the guy with a 5.9 ‘Burb here???
to r/Cummins by PullinLevers
7 months ago
Preview thumbnail for Simplest TH400 swap for 5.9? image
Simplest TH400 swap for 5.9?
to r/Cummins by AK4041
1 year ago
Leveling Kit Opinions
to r/Cummins by PullinLevers
7 months ago
Value of gutted 6.7 exhaust?