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Home of the Whopper
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Drum brakes
Going through the brakes on a 73 jeep commando, and a few of the brake shoes were kinda nasty.
At $25 per axle, replacing all the shoes was an easy decision. However, the NEW shoes are about half the thickness of the original 74k miles shoes! Different materials, so I am going with the new. But... the rears won't center properly. Not in/out, but low. Missing by about 1mm or so, so the drum drags on the shoes. Switched shoes to different locations and all is well, except for one shoe. No matter where it goes it drags on the drum. What do you guys think about using 7 New shoes and 1 old one? It's on the rear, if that matters.
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1968 912 coupe 1971 911E Targa rustbucket 1972 914 1.7 1987 924S |
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08-13-2017, 09:00 AM
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Registered
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All the brakes on an axle need to be identical, so six new shoes rather than 7 if you are going to go that route.
I would try to figure out why the shoes don't fit right, and/or order a different set of shoes.
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08-13-2017, 09:06 AM
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Registered
Join Date: May 2004
Location: Lake Cle Elum - Eastern WA.
Posts: 8,417
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rubber mallet to center it.....Most have a little give in different directions...
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Bob S. 73.5 911T 1969 911T Coo' pay (one owner) 1960 Mercedes 190SL 1962 XKE Roadster (sold) - 13 motorcycles |
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08-13-2017, 09:33 AM
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Home of the Whopper
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Thanks guys, I figured it out.
Apparently there is a primary and secondary shoe. They are just a bit different. One goes at the front, one at the rear of each axle. Take 21!!
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1968 912 coupe 1971 911E Targa rustbucket 1972 914 1.7 1987 924S |
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08-13-2017, 10:13 AM
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Too big to fail
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However, the NEW shoes are about half the thickness of the original 74k miles shoes!
I ran into the same thing when I bought new shoes from Stoddard for my 356; the new shoes are maybe 60% of the thickness of the old ones. They work, and realistically I will probably never have to replace them in my lifetime, but it's still evidence of a corner being cut. The best brake shoes I've ever had were a set that I had relined by a company in West Sacramento that does truck brakes. They were absolutely beautiful and properly chamfered as well.
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"You go to the track with the Porsche you have, not the Porsche you wish you had." '03 E46 M3 '57 356A Various VWs |
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08-13-2017, 10:32 AM
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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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Also - make sure you relax the adjustment on the emergency brake cable - prior to installing new shoes on rear. Once all is installed and initial shoe adjustment on both sides, the set the E brake free play.
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'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss '07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold '85 Guards Red Targa - Almost finished after 17 years '95 Road King w/117ci - No time to ride, see above '77 Sportster Pro-Street Drag Bike w/93ci - Sold |
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08-13-2017, 02:08 PM
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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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BTW. - the primary shoes job is to grab the friction surface 1st ( in normal wheel rotation) that causes the shoe assy to shift / rotate mechanically slightly allowing the larger rear shoe to fully engage the friction surface for maximum effectiveness
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'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss '07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold '85 Guards Red Targa - Almost finished after 17 years '95 Road King w/117ci - No time to ride, see above '77 Sportster Pro-Street Drag Bike w/93ci - Sold |
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08-13-2017, 02:13 PM
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