The Mobile Detailing SOP: Full Detail Process, Step-by-Step (2026)
The Short Answer
A professional full detail follows 32 steps in a fixed order: exterior first (7 steps), interior next (14 steps), then final finish (11 steps). The correct order isn't stylistic — skipping a step or reversing two saves 20 minutes and costs 3 hours in rework. Total time: 3.5–4.5 hours for a sedan.
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Every experienced detailer works the same order. The order is what makes it fast. Beginners freelance the sequence and either miss steps, contaminate clean panels, or spend 6 hours on what should take 3.5.
Exterior wash and decon first (never interior first — you'll drag dust into a clean interior). Interior second because it takes longest. Final exterior polish and dressing last so it doesn't collect fingerprints or shoe scuffs during interior work.
Phase 1 — Exterior Wash & Decontamination (45 min)
- 1. Walk-around inspection — photograph existing damage before touching
- 2. Rinse-off pre-soak (top down, low pressure)
- 3. Foam cannon pre-wash — pH-neutral soap, 5–7 min dwell
- 4. Wheel & tire clean — dedicated bucket + wheel woolies, iron remover on wheels
- 5. Two-bucket hand wash top-down with wash mitt
- 6. Iron X on paint — 3–5 min dwell, low-pressure rinse
- 7. Clay bar / clay mitt with lube — panel by panel
Phase 2 — Interior (90 min)
- 8. Trash out — collect all loose items, bag customer belongings
- 9. Floor mats out — placed on driveway for separate cleaning
- 10. Air blowout of vents, seat rails, cup holders (compressed air or dryer)
- 11. Vacuum — seats, floors, trunk, under seats, cargo area
- 12. Detail-brush the tight spots — vents, seams, seat stitching
- 13. Steam clean vents, buttons, headliner (if needed)
- 14. APC + brush on carpet stains, dwell 60 seconds
- 15. Extractor pass on carpet (if included in tier)
- 16. Leather clean — cleaner first, then conditioner, 5-min dwell each
- 17. Cloth seat shampoo (if applicable) + extractor
- 18. Dashboard, console, door cards — APC diluted, microfiber, no dressing yet
- 19. Glass interior — dedicated glass microfiber, two-cloth method
- 20. Interior dressing — pump-spray to towel, apply to towel not surface
- 21. Floor mats back in, fresh vacuum before install
Phase 3 — Exterior Finish (75 min)
- 22. Paint depth / defect inspection under a Scangrip light
- 23. Machine polish — single or multi-stage depending on tier
- 24. Panel wipe with IPA or dedicated prep solution
- 25. Apply sealant, wax, or ceramic coating (tier-dependent)
- 26. Trim & tire dressing — separate applicators, no cross-contamination
- 27. Glass exterior — including windshield with a dedicated pass
- 28. Wheel wells — dressing if included
- 29. Chrome + polished metal — dedicated polish
- 30. Exhaust tips — metal polish + microfiber
- 31. Final walk-around under sunlight, catch missed spots
- 32. Customer walk-through, photos for portfolio + Google review request
The Timing Reality (Sedan)
| Phase | Time | % of Ticket |
|---|---|---|
| Exterior wash + decon | 45 min | 20% |
| Interior detail | 90 min | 45% |
| Exterior finish + polish | 75 min | 30% |
| Customer walk + admin | 15 min | 5% |
| Total | ~3.5 hr | 100% |
The Rework Trap
The single most common mistake is starting interior before finishing exterior wash — dust from wheels and door jambs migrates into clean carpet and adds 20 minutes of vacuum rework. Never open a door until phase 1 is complete.
What Changes for SUV / Truck / Van
- SUV: add 25 min for extra glass + second-row detail
- Full-size truck (F-250, RAM 2500): add 40 min for bed cleaning + tall paint areas
- Cargo van: add 60 min for cargo area extraction + wheel wells
- Convertible: add 45 min for soft top care (Raggtopp cleaner + protectant)
SOP for Ceramic Coating Days
Coating installs replace steps 25 (sealant) with a full coating install sequence: panel wipe → coat one panel at a time → level cross-hatch → flash time 30–90 sec by product → wipe with new suede cloth. Never coat a panel and move on — the flash window is real, and missing it means dried streaks that require re-polishing.
Frequently Asked Questions
Should I use a checklist on every job?
Yes for the first 100 jobs. After that the sequence becomes muscle memory but keep the customer walk-around photo checklist forever — it's your insurance-claim defense.
How long should a full detail actually take solo?
3.5–4.5 hours for a sedan, 4–5 for SUV, 5–6 for a truck. Anything faster is skipping steps. Anything much slower is inefficient sequencing.
Do I need to steam clean every interior?
No — steam is for heavily contaminated interiors, headliner stains, and detail work in vents. On a regular maintained interior, a good vacuum + APC + microfiber gets you there in half the time.
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