DOC
WAC-012
CATEGORY
VISIT WALKTHROUGH
REV
2026.04.27
UNITS
USD / DEG / IN
What to Expect on the Alignment Rack
The full visit, step by step
Arrival and check-in
Sign service order, hand over keys, confirm scope. Ask whether ADAS calibration is needed for your vehicle.
Pre-alignment inspection
Tech checks tire pressure, looks underneath for worn ball joints, tie rods, bushings. If something is worn, the alignment is paused for repair quote.
Drive onto rack and clamp targets
Vehicle drives onto an alignment rack. Sensor heads or laser targets attach to each wheel.
Initial readings
Computer captures current toe, camber, caster on every corner. This is the BEFORE column on your printout.
Adjustments to spec
Rear set first on a 4-wheel job. Front follows, referenced to the new thrust line. Tech turns adjusters while watching the live readout.
Final readings and printout
Captures AFTER values. Prints both sides on a single sheet. Spec range printed alongside so you can see green vs red.
Steering wheel centring (if needed)
If the wheel sat off-centre before, the tech adjusts tie rods symmetrically to put it back to centre.
Test drive
Tech drives a short loop to confirm the car tracks straight and the wheel stays centred.
Hand back and printout review
Walk through the printout. Confirm AFTER values are inside spec for every angle. Ask about anything red.
Ask these before paying
Signs the work was not done properly
No printout offered
Walk away. A computerized alignment without a printout is either not computerized or the shop is hiding readings that did not land in spec.
Took less than 20 minutes
A real 4-wheel alignment cannot be done that fast. Either the shop only adjusted toe (incomplete) or skipped the rear (a 2-wheel masquerading as 4-wheel).
No test drive
The test drive confirms the wheel stays centred and the car tracks straight. Skipping it means the shop did not verify their own work.
Pushed unnecessary repairs
Some upselling is legitimate (worn tie rod that prevented alignment from holding). Some is not (selling a strut replacement on a five-year-old car with no symptoms). Get a second opinion on anything over $500.
Different reading on second visit
Settle for a re-do under warranty if the shop offers one. If not, take the printout to a different shop and ask them to verify against their rack.
How to read it
The printout is the most important part of the visit. It is the record that the work was done and the proof you can take to a second shop if you suspect a problem. Three columns to focus on:
BEFORE
What the angles measured when you arrived. Tells you whether the alignment was needed in the first place.
AFTER
What the angles measure now. Should be inside the spec range for every angle. This is the value that matters.
SPEC RANGE
The OEM-defined acceptable window for your vehicle. Shown as a minimum and maximum, sometimes with a target value in the middle.
Worked example with green and red status: see the printout interpretation guide.