Jeep CJ5 4 Wheel Disk Brake Conversion! 

You are sure right about those clip things in the calipers. What a pain in the butt! Miserable to keep them in place while installed the pads, but I think I got it. Put in the inside pad first then pull and zip tie the calipers full tight to the piston and then install the outer pad. lots of space for the rotor and just cut the removed the zip ties.

I did the dual res upgrade on my 63 CJ5 without removing the tub and you're right it was a GIGANTIC PITA. I do like the peace of mind of not losing brakes entirely though as that did happen to me with it before I did the upgrade.

Just FYI, if you can recall I was doing a front disk brake conversion on my 47 CJ2A and could not get the front disks to release pressure. Finally realized that the rubber hoses were clogged so after replacing all rubber the brakes work great. Thanks for all your help over the summer.

I appreciate the approach you take with research and analysis on these modifications. Excellent attention to detail.

Thank you for all the time you have taken to share unselfishly all your knowledge and experience!!

Really, Jacob?! Garage door open and a T-shirt? You lucky dog...we had a high temp of 8 degrees today! A couple things...dual masters were federally mandated in 1967 on all vehicles, so all post 66 jeeps have em. As you know, I did the conversion you recommended on my 67, too. If you use Suzuki XL-7 brake parts instead of Tracker/Sidekick brake parts...the rotors are vented, and the calipers bolt on without the spacers. I liked that a little better. less brake fade with vented rotors and it seems like the mounting would be more solid without spacers on the calipers. As for the spindle nuts, Dorman makes a kit with 2 nuts and the washers, so I'm sure your NAPA store has them or can certainly get them. The master cylinder...disc and drum cylinders are different; the drum master has a residual check valve in them to keep a little pressure in the system. you may have some drag with disc calipers so watch to make sure the brakes don't get hot on an extended drive. Hope all is well with you, bud.

Is it ok to upgrade cj5 drum brakes to disc brakes conversion cause am trying to make my 1963 cj5 jeep original as possible?

You site has been so helpful to me in restoring my 63 CJ5. I bought it in 2020 after seeing the price and wait for new ATV''s during covid. Being 6'3", I would never have even bought it if I hadn't seen your video on cutting out the rear wheel wells and moving the seat back. Mine's running great, looking good and comfortable to drive. So happy to have bought it over an ATV to run around the farm. Will try your brake upgrade in March or April. Thanks again for the great content.

I have finally found somebody that talks more country than I do.

thanks for pointing out the 3/8 to 10mm adapter! Your filming is really good!

I just got a 76 CJ5 I’m no mechanic so thanks for the explanations

I've had a few jeeps over the years. Currently have a 72 CJ5 I'm redoing. I love your enthusiasm about these old gems. Love your videos.

thank's for this video. My cj5 1977 still has 4 drum brake and it's very difficult to adjust the front ones, a pain in the neck Did you adjust or install emergency brake in this video on your jeep? I didn't see it. Anyway this is an incredible job

How to make it convert it in to mini truck or dala...

Thanks for all the info on the brake swap, i have got all the parts waiting in my save cart on ebay. I'm going to get another old jeep today, and I'm probably gonna fix it before my cj5, because the body needs less work, and it's a 55 m38a1. I want to paint it the original olive drab, and put both my grandpa's name's. on it somewhere, cuz they were both in wwll, and fought at D-day, and one was at the battle of the bulge. My one grandpa had a1968 mule, and as kid's we drove that thing all over. I have wanted one of these for a lotta year's. I appreciate. how much information you give, and how you research everything and give good accurate review's to. G-d bless.

Now it is not avsilable new how to make alteration .

Your point on strengthening the 5 bolts to knuckle is proven a must do. My rotor pulled off easily last night. Not the worst, but unexpected.

I can check but my dad’s 66 buick jeep that i inherited has a single. Man that thing is awesome. Shows 32,000 original miles. I can attest to only a few miles that the speedometer was not working.. with the exception of first gear jumping out and a few teeth gone on the rear end, it’s a great unit. The body how ever…. Not so good.

Great video! A lot of the links are outdated now for the parts and I’m trying to make sure I get the correct stuff. Any chance you could update some of the links?

Question please. By using the spacers. Are u changing outwards the load center on the front end axels? Will it damage the outer non load ballbearing?

Great Job. I really enjoyed your videos. If you want to do the upgraded master cylinder, look at a DJ5 mount. They came with frame mounted ones. If you’re near Fayetteville Tn. You can come get the one I took off my DJ5. Btw the mounts flip from RHD to LHD on DJ5.

The factory master cylinder worked out ok with the disc brakes? I am thinking of doing this on my 69. Great video!!

Thanks for the great job very simple quick and nice.once again Thanks for sharing with us this appreciations 🇩🇰👍🙏u have been saving me time please can u send me the place name to order the brake conversion kit.

Beatiful !! Wonderful !! Amazin !! This is a kit especial for Jeep?

would these same parts work for a 75 CJ5? I need to redo the whole brake system and I'm considering this swap

Do you not install the bearing shims with brennans kit or did you just not have any on your rear axle? Also when is the next video coming? :)

Hi, my 1969 cj5 is lock in gear. How can I set it to neutral so that I can work on the engine?

What’s the size of the wheel studs ? The link to EBay is outdated. Thank you!

Curious, whats a jeep of similar year and condition selling for $ ?

How to install handbrake after converting to disc brake?

There is also disc/drum and disc/disc dual master cylinders. Keep that in mind, too

How did you press the old studs out? What I mean is did you cut the swedge out?

I have a 74. Mine are drum

Should put loctite on those nut that hold the spacers on

On my 71 with dauntless has single master

Thanks for the video, disc brakes make a big difference.

I bought my first Jeep in 1972. Over the years, I seen some custom disc jobs. That looks doable at home. I plan to convert the rear brakes on my 85 CJ-7. You really know your stuff for a young Jeep Freek. I found your video by accident. Glad I did. I have a set of lock outs like yours. Pain in the ass to lock in, but they are indestructable. I will never by anything newer than a CJ-7. A set of wrenches, screwdrivers, lock pliers, and you can repair anything along the trail. No Computers! I've had Jeeps in the past, buried in muddy water, that would total out these new techno terror jeeps. Just pull for floor plugs, spark plugs, change the oil, and go.

I think I'm gunna stick with the drums, I love the danger

Uncle just gave me one of these he said last time it was parked it ran. Your video on getting it running was a big help!

Great video! Working on a '59 CJ5 and yours are the best videos I've found. Thank you! Is the disc conversion preferable to the power brake/ booster kit additions I've seen some people recommend? Also, would love to see a video on how you clean up these old parts. Like you did for the knuckle here. Just the tools, paint, technique etc. you like. Thanks again! Keep it up.

Are those wheels 15s or 16s?. Where' you get them?

Great informational video, as always. You are one of the few people I would trust working on my Willys Truck, wish you lived closer to me here in Florida, lol. I also have that EASTWOOD Brake line tool, your right, can't say enough about it and if you have ever done stainless lines this thing is a dream come true. Thanks for the video, keep em comin.

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My understanding is the drain hole on the rear axle is there so if (when) the axle seal fails, the grease from the wheel bearings goes out through that hole, rather than into the brake drum. So it’s probably not necessary on the discs, but it won’t hurt anything. Do you have any details or sources on the dual master cylinder bracket? I need one of those.

I'm doing my 2nd disc brake conversion on a 56 CJ5.The problem I'm having is getting the correct studs. I have found the holes on the stock D27 hubs, after they have been swedge, makes it impossible to find a stud that will fit. I have tried cutting the studs out. the swedge seems to expand the hole. The d25 hubs, I have no problem on finding the correct studs. Dorman 210-260 seems to work great. I had to purchase new D27 hubs for my first conversion. On the second I'm using a D25 front Axle with the D25 hubs. I would prefer the D27, the bearings are larger, and easier to get at the Auto Parts store. The D25 bearings are a little harder to find. Many of the Military parts suppliers carry them. But not the auto stores. The Brennan's plates makes the conversion very easy. I have used the S10 hoses at the wheel to axle housing. Thinking about moving the brake line to the frame and off the front axle housing ,like on the later model CJs . You videos are very helpful.

You studs aren't long enough for those spacers and use blue lock tight

I did the Metcalf rear disc with electric parking brake and love the ability to lock the rear wheels. I noticed using a 1” bore master cylinder didn’t produce enough pressure to equal the stopping ability of the disc/drum and dropped down to a 7/8” bore. If your rear wheels lock before the fronts on the single reservoir master add an adjustable valve to dial back the rear pressure.

Great work!👏👏👏👏 Is that an old VA inspection sticker?

Hey, I just picked up a 71 cj5 with the 225 v6 and it has the dual master with 10 inch drums all around. Just installed new master and serviced drums but the thing still doesn’t stop well, do you think converting my front brakes to disk would make a big difference even without power brakes?

You should consider the one piece tie rod conversion on that cj5 if you're not gonna go Saginaw. All you need is a 35.5" tube, and part 920536 tie rod end (from a commando. it has a different angle than the cj version of that tie rod end). Makes for a very cheap upgrade to to the split tie rods, and links the two front wheels with one solid piece like a dana 30. You use the driver's side tube from your old tie rods and link it from the bell crank to the passenger side. Easy peasy. if you use a two hole knuckle it's even better.

did you bend and fab your roll bar ??? Im building a 1975 Jeep and want to bend a heavy gauge roll bar with heat, not much info on youtube , I don't have a tubing bender. You'r going to have a great Jeep when its finished if there is such a thing as finished.

67 first year for duel Master cylinder

Are the spacers necessary for the disc conversion? You are adding a lot of leverage to the bearings and possibly making the steering more difficult. Nice video, very helpful.

I do have one question. With this disc brake setup, I see no way to have a parking/ emergency brake. I know they are not a necessity but in some cases desired. Can you let us know if there is a parking brake system available? Thanks. I have a 74 CJ I'm trying to rebuild . Thanks.

Always a great job taking us along on your journey, thanks for sharing with us

You really should us a longer stud/bolt at the knuckle spindle location, you want at least two threads sticking out of the nut for max holding strength...that's not very strong the way you have it now.

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I did this conversion on my '42 last year following your video you did with your 3B. I just brought home a '77 CJ5 and thought I would watch this one to see if there's much that's different. I got a little excited that you we're gonna be showing how to get the dual reservior master cylinder installed without removing the tub because I bought the upgraded master cylinder with the conversion bracket but ended up keeping the single reservior on the jeep because theres not enough room for access. I'm glad to see you had success with that as well, though i eventually still want to do the upgrade, until then I did add a proportioning valve to my '42 and everything works as it should. Thanks for another great video!!

How would you go about connecting the jeep brake line to the honda brake line without the tool you put in the description? Would replacing brake lines in general be hard without it? Thanks!

Those 6 bolts in the spindle need to be a touch longer

Did you remove the residual pressure valve from the original master cylinder? I’m about to do 4 wheel disc brake conversion and am using a new stock single master cylinder but did see in the video you installing your master

Great video! I've been interested in buying an old CJ5 and your channel came up as a recommendation. This video was very informative and easy to follow, so I wanted to thank you for taking the time to record, edit, and share it with us here on RU-vid.

Hello, great job on the video's. I was wondering wich brake line you used for the rear brakes? It looks different from the honda accord front lines. Thanks.

I just picked up a 69 5. Appears to be a low mileage with little rust. I noticed it has the exact same hood dent as yours. I wonder if that is common.

Thanks for making these videos, they are very detailed and informative. You have obvious skills and humble disposition. I installed all 4 on my 1970 cj5 and now I always stay in my lane when I hit the brakes, great improvement! Thumbs up and subscription worthy.

The single reservoir thing was not a jeep thing. It was the brake thing. In 66 and 67 all cars had to get front/rear actuation and reservoirs.

The bolts that hold the caliper to the bracket come off, put the bracket on the knuckle , install the rattle clips and pads and then put the caliper back on

77 or 78 was the first year for disk

Always enjoy your videos. You've influenced me several in my 67 CJ5 restromod. You are right tho, there's not much room with a dual master cylinder. I'll be modifing the service hole in the floor pan to service it.

👍👍😎

Keep it coming. Love you content and how simple you make it to us RU-vid mechanics. Lol

Nice. I've got an old cj5 I'm going to put front disc brakes on. I want to get me an old flat fender someday though!!!

Very nice work, it ALL looked great when you were done ✅ We just did the rear brakes an SS lines on our Tj..!! 😎👍

I'm a big fan of rollbars too. "I'd rather not die" LMAO best line of the video! Plus now your brakes will actually work after a water crossing

Had a CJ-7 over myself and my wife, yeah, I’m a roll bar fan too.

No tengo palabras para agradecerte, tengo un M38 A1 de 1961 y quiero instalar frenos de disco en las 4 ruedas, tu vídeo me aclaró muchas dudas. Gracias mil desde Venezuela.

Freaking awesome!! I wanted to use Brennan’s electric parking breaks on the rear of it!!

I wonder if the master cylinder has to be changed out for disc brakes

Great videos! I just got a 1970 CJ5 with a pinto swap. Learning a lot from you with thus brake set up. Looks good and is on my wish list

Thanks for the video, I have been wanting to do this conversion!

Very nice neat installation. I'm a bit surprised you don't need a power booster with the disc system.

That was Awesome!!! I’ll be following this build close!!!!

Hey, will 1.25" spacers work here? They're quite a bit cheaper. Thanks!

Another great video! Was wondering how the rear went. Looks like I’m going to do all four corners on mine also. Thanks for the informative videos!!

Great information. I appreciate your videos. Keep them coming.

9" brakes are great.

Is this a no go on the original 1970 dana 44. I am struggling finding info on the axel I have.

hows the 3b comeing along young man ?

Just got all the parts to do the fronts on my 71 cj5 Dauntless. Plus the king pins... Hope it goes as easy as yours appeared to be.

appears that your bumpstop may hit your rear breakline....

Thank you, thank you, thank you, thank you.

We have a 62 willys cj5 with a heater problem. How can we fix it?

Without a power break booster how would you compare the amount of "leg pressure" to stop the jeep compared to the original drum breaks?

Wish there was a way to contact you with questions. No facebook or instagram (whatever that is)

Hi, I am wondering if you could provide me with some of your extensive knowledge. My question is about a Saturn Overdrive in a Willys Pickup. Can I just leave my truck in overdrive all the time? If yes, can I even leave it in overdrive when backing up too. Seems crazy to keep splitting gears or using it after third gear because the truck has plenty of power with a Ford 302 and a t98 trans with 4: 88 gearing. Thanks in advance.

Will this work on a 1946 CJ-2A?

Great show, thank you

Interesting, thanks.

Good video thanks

I called BRENNANS garage BRENNAN is no longer is in business , so it seems the GEO TRACKER conversion is out of question , because the caliper brackets are no longer available .