Engine & Drivetrain

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CEL P0740

Last post by Bill2014 « Thu May 22, 2025 11:06 am
Replies: 2
by Hemi4X4 » Fri May 16, 2025 10:17 pm

2 Replies

690 Views

Last post by Bill2014
Thu May 22, 2025 11:06 am
Resonator delete

Last post by adeluca73 « Tue May 13, 2025 2:16 pm
Replies: 2
by Flryder » Sat May 03, 2025 2:18 pm

2 Replies

376 Views

Last post by adeluca73
Tue May 13, 2025 2:16 pm
Any Great Options for Replacing the 66RFE?

Last post by Flryder « Tue May 13, 2025 1:58 pm
Replies: 6
by ramv » Mon Jan 30, 2023 4:37 pm

6 Replies

5848 Views

Last post by Flryder
Tue May 13, 2025 1:58 pm
4.88 vs 5.13

Last post by adeluca73 « Tue Jan 21, 2025 1:47 pm
Replies: 17
by Truckin Redneck » Thu Oct 14, 2021 5:30 pm

17 Replies

17347 Views

Last post by adeluca73
Tue Jan 21, 2025 1:47 pm
2016 Getting New Gears noise, weird bearing?

Last post by Luke Duke « Wed Jan 15, 2025 10:27 pm
Replies: 7
by Luke Duke » Sat Jan 04, 2025 12:07 am

7 Replies

2019 Views

Last post by Luke Duke
Wed Jan 15, 2025 10:27 pm
Rebuilt Valve Body

Last post by Mule007 « Thu Dec 05, 2024 8:45 am
Replies: 4
by unitedwagon » Tue Nov 12, 2024 9:59 am

4 Replies

1738 Views

Last post by Mule007
Thu Dec 05, 2024 8:45 am
66RFE Downshift Hesitation/Shudder

Last post by unitedwagon « Wed Nov 20, 2024 6:32 am
Replies: 12
by ScubaSteve » Mon Mar 01, 2021 1:58 pm

12 Replies

14438 Views

Last post by unitedwagon
Wed Nov 20, 2024 6:32 am
Transfer Case Position Switch

Last post by RustyPW « Tue Nov 12, 2024 7:39 pm
Replies: 6
by Chubbs » Fri Oct 11, 2024 7:47 pm

6 Replies

3947 Views

Last post by RustyPW
Tue Nov 12, 2024 7:39 pm
Differential catching after fluid change

Last post by DesertExplorer75 « Tue Jul 30, 2024 12:05 am
Replies: 5
by Gotterbein » Sun Jan 07, 2024 8:58 am

5 Replies

8335 Views

Last post by DesertExplorer75
Tue Jul 30, 2024 12:05 am
Rear Locker

Last post by Mule007 « Tue Mar 26, 2024 7:34 am
Replies: 3
by Speed6 » Mon Mar 25, 2024 9:22 pm

3 Replies

4788 Views

Last post by Mule007
Tue Mar 26, 2024 7:34 am
Flashing locker lights

Last post by pnora « Mon Feb 26, 2024 9:46 pm
Replies: 12
by ThomasKeife » Wed Sep 08, 2021 2:07 pm

12 Replies

9758 Views

Last post by pnora
Mon Feb 26, 2024 9:46 pm
Ugh. Pinion bearings gone after using Lucas

Last post by Mule007 « Thu Aug 10, 2023 9:01 am
Replies: 16
by jeep_boy02 » Thu Jun 15, 2023 4:03 pm

16 Replies

13110 Views

Last post by Mule007
Thu Aug 10, 2023 9:01 am
Rear axle locker / uconnect update

Last post by pdavey « Thu Jul 27, 2023 2:50 pm
Replies: 1
by Hark » Thu Jul 27, 2023 2:45 pm

1 Replies

3092 Views

Last post by pdavey
Thu Jul 27, 2023 2:50 pm
5.7 exhaust manifold issues again

Last post by Retired BLM Rig « Sun Apr 30, 2023 6:09 pm
Replies: 4
by jeep_boy02 » Thu Apr 27, 2023 6:46 pm

4 Replies

5368 Views

Last post by Retired BLM Rig
Sun Apr 30, 2023 6:09 pm
Do you need to change the oil

Last post by RustyPW « Wed Apr 26, 2023 9:46 pm
Replies: 1
by Mule » Tue Apr 25, 2023 10:36 pm

1 Replies

3274 Views

Last post by RustyPW
Wed Apr 26, 2023 9:46 pm
Sonnax Line Pressure Booster for 545rfe and 66rfe

Last post by ramv « Fri Mar 17, 2023 1:12 pm
Replies: 18
by thedriver21 » Tue Jun 23, 2020 12:52 am

18 Replies

16909 Views

Last post by ramv
Fri Mar 17, 2023 1:12 pm
Transmission "Shift" solenoid pack?

Last post by RustyPW « Tue Nov 15, 2022 11:41 am
Replies: 5
by JackSprat » Mon Mar 14, 2022 10:20 pm

5 Replies

4820 Views

Last post by RustyPW
Tue Nov 15, 2022 11:41 am
66RFE troubles

Last post by Bill2014 « Fri Oct 14, 2022 8:19 am
Replies: 3
by Barleywine » Sun Jan 09, 2022 2:01 am

3 Replies

4402 Views

Last post by Bill2014
Fri Oct 14, 2022 8:19 am
Trans fluid change?

Last post by Easttnrhino « Tue Aug 16, 2022 3:15 pm
Replies: 3
by Easttnrhino » Fri Jul 01, 2022 8:44 pm

3 Replies

5027 Views

Last post by Easttnrhino
Tue Aug 16, 2022 3:15 pm
Trans fluid change?

Last post by Easttnrhino « Fri Jul 01, 2022 8:44 pm

by Easttnrhino » Fri Jul 01, 2022 8:44 pm

0 Replies

9174 Views

Last post by Easttnrhino
Fri Jul 01, 2022 8:44 pm
Grinding/rumble when shifting into reverse

Last post by Ramination « Tue May 31, 2022 5:55 pm
Replies: 6
by Mario75 » Sat Nov 30, 2019 7:06 pm

6 Replies

6578 Views

Last post by Ramination
Tue May 31, 2022 5:55 pm
SERV 4WD Light Question

Last post by Rockfish « Thu Apr 21, 2022 10:35 pm

by Rockfish » Thu Apr 21, 2022 10:35 pm

0 Replies

9098 Views

Last post by Rockfish
Thu Apr 21, 2022 10:35 pm
10.5 to 11.5 Rear Axle Swap?

Last post by aheiser « Mon Mar 07, 2022 5:41 pm
Replies: 4
by aheiser » Mon Feb 28, 2022 3:48 pm

4 Replies

4385 Views

Last post by aheiser
Mon Mar 07, 2022 5:41 pm
Fuel tank not accepting fuel.

Last post by gtomike60 « Fri Feb 25, 2022 9:02 am
Replies: 8
by Ak68w » Thu Jan 27, 2022 6:41 pm

8 Replies

5224 Views

Last post by gtomike60
Fri Feb 25, 2022 9:02 am
No More Manual T-Case Shifter for 2021

Last post by JRHPWRWAGON06 « Sat Feb 05, 2022 11:55 pm
Replies: 14
by Retired BLM Rig » Wed Feb 03, 2021 2:03 am

14 Replies

10383 Views

Last post by JRHPWRWAGON06
Sat Feb 05, 2022 11:55 pm

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