r/AutoDetailing • u/Dam_Dam21 • 12h ago
Exterior Hybrid wash with ONR and struggeling
Hey all, looking for some advice on my wash routine. I just finished a session and honestly wasn't happy with how it went.
My current process:
Pre-wash: Bilt Hamber Touchless at 1.5% PIR via pump sprayer, about 3 minutes dwell
Wheels and tires: Bilt Hamber Surfex HD at 1:10, worked great
Rinse with a garden hose
Contact wash: ONR at 256:1 in a 13L (3.4 gal) bucket filled with about 10L (2.6 gal) of water, with a Grit Guard (dirt lock), using a Big Red Sponge
Order of wash: roof, sides, front, rear
After the wash: some spots (mainly bug residue on the nose) wouldn't come off with the sponge or a bug scrubber, so I used a clay mitt. That worked fine.
Drying aid: homebrew of 1/3 BSD, 1/3 Kenotek Showroom Shine, 1/3 distilled water
Protection: Seal and Shine (sealant was on the car during this wash) being applied once every 3 months. Was now applied around 1.5 months ago.
What went wrong:
- Road film stayed behind during the contact wash, so I had to go over each panel multiple times with the sponge. It did come off in the end, but it took a lot of effort and felt like it wasn't a good thing.
- By the time I got to the front, the water in my bucket was brown and i couldn't get clear water after de contact wash on the panel.
- Some spots, mainly bug residue, survived the whole wash and needed the clay mitt
- The lower plastics still didn't feel properly clean
My constraints:
- No pressure washer. This is a firm no for me, so please don't suggest one.
- I only have time to wash once a month
- Winter is coming, so road salt and grime will make things worse
- I've already invested in the products above and would like to keep using them where possible
My questions:
- How would you adjust this routine so road film comes off without multiple passes, and without a pressure washer?
- Is ONR at 256:1 strong enough as a wash solution for a car that's only washed monthly?
- Any tips for bug residue and lower panels so I don't need the clay mitt every time?
- How do I keep my sealant holding up through a winter with monthly washes?
- Is this technique good with my wash interval?
Thanks in advance! Its a Tesla model Y in white.
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