Once a repair is approved, a stage begins that is easy to overlook. The part must be ordered, received, installed, and tested, and the contract may say who carries the delay while that happens. Trace each stage in order and write down what each one needs from you.
The approval in writing
Confirm that the approval names the diagnosis, the part, and the labor, and states whether the part is the original make or an equivalent. A verbal approval leaves the scope open. If the approval is wider or narrower than the diagnosis, ask why before the order goes in.
The part order
Ask who places the order, from what source, and whether the contract specifies the parts supplier. Ask whether the part is on hand, must be sourced, or is on backorder. Ask whether a substitute part requires your consent and how that consent is recorded.
The wait itself
Ask for the expected arrival in writing, and ask what happens if it slips. Ask whether a loaner, rental, or reimbursement covers the wait, and whether the contract limits how many days that help lasts. Ask whether the wait counts against any term limit or claim limit in the contract, because a delay can use up coverage you expected to keep.
Installation and the return visit
Ask whether the installer is the same shop that diagnosed the fault. Ask whether a return visit is needed, whether the diagnosis is repeated, and whether the labor on that visit is covered as part of the same claim.
Test and sign-off
Before the technician leaves, ask for the test performed and its result. The record should show the part installed, the test run, and the unit returned to working order. Keep a copy with the approval and the order. If the part fails again, that paper trail is what you will need.
Returns and wrong parts
Ask who handles a return if the part is wrong or defective, who pays any restocking charge, and how long the unit can be out of service before the contract provides a remedy. Those answers decide who bears the wait in the end.