I've not done much with drum brakes so this will be a learning experience for me.
I had a few pics to upload but I was getting an error dong that so I'll work on that part later and see if I can get that to work.
Heading to the boat ramp last week, we got flagged by a passing motorist about a small amount of dark smoke coming from a wheel; we were about 20 miles on the freeway in some stop-and-go traffic.
Pulled over and indeed the right front assembly did have a small amount of dark smoke coming from the inside of the drum; also a strong burning kind of smell-no fire.
Grease seal looked fine and saw no grease spattered around.
Knocked off bearing buddy and plenty of grease there but I did pump in some more.
No brake fluid loss is seen.
Waited until smoke went away; pulled off freeway; drove city streets most of the way home with no sign of smoke now but the smell still present.
Pulled the right front assembly apart on Saturday, bearings look fine with no burning, still plenty of grease in the hub though maybe a slight burnt smell.
Brake shoes do appear to have some burning or what might be hard spots of burnt on grease?
The drum also appeared to have some spots of the same burnt on grease appearance.
Got the drum turned and cleaned up nice; bought the complete backing plate assembly with shoes, slave cylinder, etc. from our local marine trailer mfg.
I know it's best practice to do both sides of the brakes when doing this work.
Trailer has 4 wheel drum brakes; towed load is around 12k pounds.
Being a novice, I'm not sure what the causes of this could be if anyone can clue me in but a couple other questions I have:
-the grease seal I took off the trailer parts guy said he's not seen before where both side are 'closed' where he is use to seeing/and sells, the style where 1 side is open with the metal ring exposed but did say both would be considered 'double lipped'.
-the slave brake cylinder I pulled the boot back and saw no fluid, that 'rod' on the slave cylinder just pulled out from the boot so that would be normal when the shoes are taken off?
All 4 brakes were done by a shop a few years ago and probably only 12-15 dunks in salt water since then.
Last year I did re-pack the bearings on all 4 wheels and sanded down the shoes that were there as they still had plenty of material.
Thoughts/comments?
thanks
Mark
I had a few pics to upload but I was getting an error dong that so I'll work on that part later and see if I can get that to work.
Heading to the boat ramp last week, we got flagged by a passing motorist about a small amount of dark smoke coming from a wheel; we were about 20 miles on the freeway in some stop-and-go traffic.
Pulled over and indeed the right front assembly did have a small amount of dark smoke coming from the inside of the drum; also a strong burning kind of smell-no fire.
Grease seal looked fine and saw no grease spattered around.
Knocked off bearing buddy and plenty of grease there but I did pump in some more.
No brake fluid loss is seen.
Waited until smoke went away; pulled off freeway; drove city streets most of the way home with no sign of smoke now but the smell still present.
Pulled the right front assembly apart on Saturday, bearings look fine with no burning, still plenty of grease in the hub though maybe a slight burnt smell.
Brake shoes do appear to have some burning or what might be hard spots of burnt on grease?
The drum also appeared to have some spots of the same burnt on grease appearance.
Got the drum turned and cleaned up nice; bought the complete backing plate assembly with shoes, slave cylinder, etc. from our local marine trailer mfg.
I know it's best practice to do both sides of the brakes when doing this work.
Trailer has 4 wheel drum brakes; towed load is around 12k pounds.
Being a novice, I'm not sure what the causes of this could be if anyone can clue me in but a couple other questions I have:
-the grease seal I took off the trailer parts guy said he's not seen before where both side are 'closed' where he is use to seeing/and sells, the style where 1 side is open with the metal ring exposed but did say both would be considered 'double lipped'.
-the slave brake cylinder I pulled the boot back and saw no fluid, that 'rod' on the slave cylinder just pulled out from the boot so that would be normal when the shoes are taken off?
All 4 brakes were done by a shop a few years ago and probably only 12-15 dunks in salt water since then.
Last year I did re-pack the bearings on all 4 wheels and sanded down the shoes that were there as they still had plenty of material.
Thoughts/comments?
thanks
Mark
