DIAZ.DIAGNOSTICS & REPAIR LLC

ONSITE AUTO SERVICE · BY APPOINTMENT ONLY

Find the problem.
Get back on
the road.

Automotive diagnostics and repair at your location. Serving all of Illinois by appointment—call to discuss your vehicle, location, and the work you need.

Diaz Diagnostics and Repair red and silver automotive logo

DIAGNOSE / REPAIR / DRIVE

DiagnosticsElectrical troubleshootingGeneral repairAppointment only

01 / WHAT WE DO

Care for the vehicle
you depend on.

From routine maintenance to troubleshooting and repairs, we offer onsite service by appointment. Tell us your vehicle and location so we can confirm the work can be completed onsite.

02

Diagnostics & electrical

Vehicle diagnosing, electrical troubleshooting, lighting, and check engine services.

Ask about this service ↗
05

Engine repairs & HVAC

General engine repairs and heating, ventilation, and air conditioning (HVAC) service.

Ask about this service ↗
06

Programming & modifications

Key fob programming, vehicle modifications, and body panel replacements supplied unpainted.

Ask about this service ↗

02 / THE APPROACH

A clear place
to start.

You know when something doesn’t feel right. Help us understand what changed, when it happens, and what you’ve already noticed.

  1. 01

    Tell us the symptoms

    A warning light, unusual sound, leak, or change in how your vehicle drives.

  2. 02

    Discuss the next step

    Share your location and availability. We’ll confirm the onsite work and arrange an appointment.

  3. 03

    Plan the work

    Discuss the findings, repair options, and estimate before scheduling the repair.

03 / BEFORE YOUR APPOINTMENT

Service conditions
& payment.

Please review these requirements before scheduling onsite service.

01

Weather permitting

Onsite service depends on weather conditions. Appointments may be rescheduled if conditions prevent safe work.

02

A safe place to work

Service requires a safe, suitable onsite work area. Work may be declined or rescheduled if the location or conditions are unsafe.

03

No public parking lots

Onsite work is not performed in public parking lots. Please arrange a suitable private location where you have permission for the work.

04

Diagnostics paid upfront

The diagnostic fee must be paid before diagnosing begins. If you accept the repair quote, that fee is credited toward the repair cost.

05

50% before repairs

A deposit of 50% of the accepted repair quote is required before repair work begins.

04 / LET’S TALK

What’s going on
with your vehicle?

By appointment only.
Onsite service throughout Illinois. We come to your location; please call or email to confirm availability and schedule service.

708-766-4457 ↗

Prepare a service request

This opens a draft in your email app. Review it and send it to reach us.

Service is weather permitting and requires a safe private location. Diagnostic payment is due upfront and credited toward an accepted repair quote. Repairs require a 50% deposit. Read service policies →