VW Golf GTi - Tuition Detail - RDS Correction

A tuition detail this one - rather than the detail just being carried out by myself, the owner stays for the whole detail and plays an active role in all aspects of it to gain some experience of detailing themselves :)



This Golf was meticulously cared for - you could tell the minute it arrived, where it was already 90% corrected :lol: In that, the owner's wash technique was good to the point there were not swirls on most of the car. However, there were deeper RDS spoiling the otherwise perfect finish and the odd region of swirls here and there that were to be corrected while the whole car was to be given an overall lift with a finishing polish :)



The car arrived looking superbly clean after its trip up from Edinburgh...



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First thing was the wheels and arches - wheels cleaned with Bilberry Wheel Cleaner and arches with Meguiars All Purpose Cleaner...



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While this cleaned the wheels up very nicely the remaining finish was quite disappointing due to scratches all over the wheel rims - possible use of too hard a brush in the past? In any case, more on the wheels a little later ;)



Onto the washing stage, and the car was first foamed with Supa Snow Foam:



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and then rinsed...



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The car was clayed with Zaino Z18 Clay with Last Touch as a lube and then rinsed and dried off...



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After just a good wash, the car was looking superb - a credit to its owner...



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The Sun Gun is a cruel mistress though and it was used to show up regions of light swirls and marring on the paint...



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However, much harder to notice on the finish was the RDS - but there were a few that were spoiling to overall look... Switched camera to my SLR to photograph them as I could use the manual focus to focus accurately on the marks. As always, the strip lighting was used to look for RDS - using bright light sources to spot RDS is largely pointless as the glare of a bright light will mask the mark. An example of the deeper marks...



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Top of the bonnet had a few severe marks...



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Over the majority of the bonnet the deeper RDS were removed using 3M Fast Cut Plus on a Menzerna Orange Polishing pad at 1800 - 2000rpm. One or two hits as required. Thickness was very carefully monitored throughout the process, and the marks at the top of the bonnet unfortunately fell in a thinv region... With a consistent 120 - 140um across the car, these thickness readings of 91um were a concern...



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Despite this, a fast pass with Fast Cut to knock back the marks a little and then Menzerna Intensive Polish was used to round off the marks a little more so they were less noticeable while still leaving plenty of paint in the thinner region...



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The most important part of machine polishing correction like this is knowing when to stop - more significant correction would have been achieved with further passes of Fast Cut, but the cost of the paint would have been more severe and on thin spots it is something to be avoided! Other deeper marks could be easily removed...



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Once the deeper marks were corrected, the whole area was polished with Meguiars #205 Ultra Finishing Polish on a Meguiars W9006 tan finishing pad... a break from the norm from my details which are usually finished with Menzerna PO85RD. But given the performance of 205 in testing where it has shown itself to be one of the finest finishing polishes available and easily a match for 85RD, expect to see #205 a bigger part of my detailing in future.
 
Under the Sun Gun, the clarity of the finish was restored, and the light swirls removed easily...



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Overall, the bonnet finished was looking deep and glossy from just the machine polishing stage...



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Getting ready to polish the passenger side by taping up...



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The rear 3/4 was a bit dull looking...



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Zooming in we can see why, a strange pitting effect and a little more peel on the paint...



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3M Fast Cut was required to remove the haziness and restore the gloss...



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Ready for finishing with Meguiars #205.



A deep key scratch also on the passenger side...



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Removed with Fast Cut on a Sonus SFX-1 cutting pad...



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The whole side was then polished using Meguiars #205 on a W9006 finishing pad to remove any light marring and refine the finish where the compounding had taken place...



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The rear 3/4 restored...



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Couple more pics of the finish quality after just the machining - this also a credit to the owner who had done a lot of the machine polishing with 205 on this side :)



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The sensitive gloss black finish was easily marked and left swirled...



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Removed using Final Finish 106FA (hugely underrated polish these days it would seem, especially on soft paints that are badly marred where correct technique can be used to get superb correction and finish...):



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Driver's side there were a few marks, near the door handle...



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and the rear door was a bit badly marked as well...



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Easily corrected using Fast Cut...



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Some RDS on the front wing...



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Fast Cut to correct, removing 95% of the mark but leaving the deepest corner of it...



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Corrected and refined...



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Sill...



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Mirror...



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Remember the wheels? They look clean but a bit dull...



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The wheel faces were marked with bad scratches ruining the look...



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Final Finish on a finishing pad soon removed the scratches and resotred the beauty to the wheels...



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Another wheels before...



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and after...



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Front wheel looking glossy...



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Door sills cleaned, and cleansed and protected with Jeffs Acryllic Prime...



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The car was then treated to Jeffs Acryllic Prime and three layers of Jeffs Acryllic Trigger. Tyres with Swissvax Pneu, glass with Stoner Invisible Glass. Wheels with Jeffs Acyllic Prime.



After shots, and the reward for nearly 12 hours of detailing - as part of the tuition detail, the finish you see here is a big part down to the owner of the car himself who put in a lot of work on the rotary once he got the hang of it to get the finish you see here - top work, and a very enjoyable day working with Jon. :thumb:



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Wheels looking good now too :)



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:thumb:
 
Tuition detail - a detail where the owner receives tuition. Tutorial detail, a detail which is also a tutorial... Both words get the meaning of the day across perfectly and are accepted as correct, certainly in the UK :)
 
Makes sense- just used to hearing the word here in the US more for describing money paid for instruction. You learn something every day!



Nice work on the wheels by the way- I might have to try that myself as mine have a bunch of light scratches like that.
 
I reckon the light scratches came from a harder bristled wheel brush early in the car's life - but they corrected easily :)



I avoid the use of "tutorial" - reminds me of my uni undergrad days ;)
 
Great writeup, very thorough and quality pics. Excellent job.



Do you charge more or less for these tuition details? I've had customers hang around and bombard me with questions for hours, and as a result the detail is hours longer :(
 
Amazing job! I've had customers hang around while I'm detailing their car and usually it's very frustrating and annoying, but it sounds like you guys had a blast.



Great writeup btw!
 
gofast908z said:
Great writeup, very thorough and quality pics. Excellent job.



Do you charge more or less for these tuition details? I've had customers hang around and bombard me with questions for hours, and as a result the detail is hours longer :(



I charge less... rather than this being a full detail where I am left the car and I work on it alone, the purpose of this is to give the owner experience of detailing their own car - so they do a lot of the work that you see here, which does take longer but in honesty I dont really detail for the money so I dont care... I'm a Physicist by day, running a part time business for my enjoyment more than anything else :) So on this day, the owner has done a lot of the work himself, so the price is less :)





Rhino said:
Amazing job! I've had customers hang around while I'm detailing their car and usually it's very frustrating and annoying, but it sounds like you guys had a blast.



Great writeup btw!



I really enjoy chatting to people and showing my passion for detailing - I travel 20,000 miles a year just at weekends up and down the UK doing detailing demos, so I like spending time chatting to people and teaching the art so for me this style of detail is a pleasure. I can understand how it could be frustrating when you are trying to get on, but detailing is always a relaxed time for me so I never mind it :)
 
Wow nice job! I have an gti to do next week, I will do the samething for the wheels and for the black part between the windows on the sides. Do you have more tips for the wheels or the black plastic???thanks
 
What was the process for getting into the tight areas on the front bumper. Seems touch as it is a pastic bumper. I also have the same model and color GTI. Looks GREAT!!!
 
armada said:
Wow nice job! I have an gti to do next week, I will do the samething for the wheels and for the black part between the windows on the sides. Do you have more tips for the wheels or the black plastic???thanks



The gloss black plastic is a very sensitive finish, very easily marked... this means its easy to correct but any heavy microfibre pressure will remark it so be very careful removing residues and very careful when washing the car post-detail.





alowe said:
What was the process for getting into the tight areas on the front bumper. Seems touch as it is a pastic bumper. I also have the same model and color GTI. Looks GREAT!!!



A 4" polishing pad wherever the machine could safely reach, and by hand with a lot of patience on the thin black lines near the grille.
 
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