Slack Adjuster Replacement
Slack adjusters keep brake stroke within range. When they seize or fail, braking suffers and the trailer may be out of adjustment.
- AvailabilityCalls and messages 24/7
- WhereRoadside, yard or jobsite
- CategoryTrailer Repair
- On-site repairWhere feasible and safe
About slack adjuster replacement.
Slack adjusters keep brake stroke within range. When they seize or fail, braking suffers and the trailer may be out of adjustment.
A mobile mechanic can look at the unit where it stands, whether that is the roadside, a yard or a jobsite. That can avoid a tow and shorten downtime when the fault is suited to on-site work.
Part of Trailer Repair.
When you might need it.
Any of these is a good reason to call and describe what the unit is doing.
Excessive brake stroke
Seized adjusters
Uneven braking
Visible damage
What the service involves.
Checking stroke and adjuster operation
Replacing failed adjusters
Setting the brake adjustment
Test checks
Causes and good habits.
These are possibilities, not a diagnosis. The only way to know is to test the unit.
Possible causes
- Corrosion and lack of lubrication
- Worn internal parts
- Poor adjustment practice
Practical tips
- Lubricate at the specified interval
- Do not rely on adjusters to hide worn linings
What to expect.
Adjusters can mask other brake problems. A fuller brake check is recommended.
On-site repair depends on the fault, parts, vehicle condition, safety and service feasibility.
(437) 601-8551Before you call
- Exact location, and direction of travel on a highway
- Truck or trailer type, make and year if known
- What happened and what warnings you see
- Whether the unit is somewhere safe
- A number we can call back
From the first call to the fix.
Call or message
Tell us where the unit is.
Describe the fault
Symptoms, lights, noises, leaks.
Agree the plan
Feasibility and dispatch, discussed honestly.
Diagnose and repair
On site where it is possible and safe.
Services that often go together.
Trailer Brake Repair
Trailer brakes take a lot of abuse.
Brake Chamber Replacement
A failed brake chamber leaks air or fails to apply or release.
Wheel Seal Replacement
Leaking wheel seals contaminate brakes and starve bearings of lubricant.
Hub & Bearing Service
Wheel bearings carry the load and heat up when worn or short of lubricant.
Frequently asked questions.
Why do slack adjusters fail?
Wear, corrosion and lack of lubrication are common causes.
How do I request this service?
Call (437) 601-8551 or message us on WhatsApp with your location and the issue. For non-urgent work, use the contact form.
Can every repair be done on site?
No. It depends on the fault, parts, vehicle condition, safety and feasibility.
Stranded on the Road? Let's Talk.
Tell us where your truck or trailer is located and what happened. Contact Fellows to discuss mobile repair options and next steps.
(437) 601-8551Have ready: exact location, truck or trailer type, what happened or what warnings you see, whether the unit is somewhere safe, and a callback number. Timing, dispatch and on-site repair depend on location, availability, the fault, parts and safety.