2008 F-53 Chassis
Any ideas on reason for my motorhome to pull to left when I brake. I have new tires, had front end aligned, new brake pads. Thanks!
Forum Discussion
John&Joey wrote:
Mr Steve wrote:
Any ideas on reason for my motorhome to pull to left when I brake....
Your brake shoe is dragging. You replaced the shoe's but not the caliper is what I'm betting.
Go to Harbor Fright and buy a cheap thermo gun. Shoot each rotor after driving around a bit without braking. See if one is running hot.
Ya know, with all the theories being presented here, let's keep in mind, that in most of these cases, the rig will pull to the affected side, whether you're braking or not, so maybe that distinction should be made first.
Had a collapsed brake hose once on our old gasser and after a while it would loosen up, but just one stop and it would drag and pull for a good bit, braking or not and until the fluid, slowly worked it's way back to the master cylinder and thereby releasing the caliper.Mr Steve wrote:
Any ideas on reason for my motorhome to pull to left when I brake....
Your brake shoe is dragging. You replaced the shoe's but not the caliper is what I'm betting.
Go to Harbor Fright and buy a cheap thermo gun. Shoot each rotor after driving around a bit without braking. See if one is running hot.DrewE wrote:
tropical36--are you referring to tire air pressure as the first thing to check? I think the F53 uses (and has always used) hydroboost brakes, rather than air over hydraulic of some sort, so that's the only somewhat relevant air pressure I can think of.
In my experience, a sticky brake caliper can feel like a pull to the opposite side when braking, when it's more accurately a constant pull to that side all the time...so check your right brakes as well as the left. Motorhome brake calipers are somewhat prone to getting sticky since they tend to sit unused for rather lengthy periods of time and possible accumulate corrosion etc. There are, of course, other causes of sticky or intermittent braking.
Yes, low tire pressure, of course and the rig will pull in the direction of the tire that is low, due to friction or dragging for some reason.
As for brake boost, yes and one and the same as the power steering pump on a gas coach. There are some air over hydraulic systems on DP's too.- tropical36--are you referring to tire air pressure as the first thing to check? I think the F53 uses (and has always used) hydroboost brakes, rather than air over hydraulic of some sort, so that's the only somewhat relevant air pressure I can think of.
In my experience, a sticky brake caliper can feel like a pull to the opposite side when braking, when it's more accurately a constant pull to that side all the time...so check your right brakes as well as the left. Motorhome brake calipers are somewhat prone to getting sticky since they tend to sit unused for rather lengthy periods of time and possible accumulate corrosion etc. There are, of course, other causes of sticky or intermittent braking. Mr Steve wrote:
Any ideas on reason for my motorhome to pull to left when I brake. I have new tires, had front end aligned, new brake pads. Thanks!
Something is obviously making it drag and air pressure is the first thing to check. Hydraulic hose could be collapsing inside on the left wheel or a caliper sticking.
Another thought would be with the right one, not working equally or at all.
I think for beginners, I'd raise it off the ground with the jacks, use two other people to get them spinning and then apply the brakes.
Also see if the wheels can be rotated with the brakes on and then when the pedal is released.- An obstruction in the flexible rubber brake line caused by old age.
