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Bodywork - choosing colors
So, by now the bodywork is done and the paint job is halfway though, but I'd rather post the complete work for specific parts so one can see the evolution. Also, at some point I was able to buy a donor junkyard car. Rusted to death but with several hard or impossible to find bits and pieces that I can use on mine.
The actual choosing of the colors was made after bodywork was complete, but again, since I am going to show parts evolution from start to finish, the chosen color will be there, so let's start with the color.
Since beginning of the restoration I felt in love with the 2020 GM Onix called Seeker Blue:
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One day, on the drive-through to take my COVID jab, the car in front of me was a 2021 Fiat Toro in Jazz Blue:
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Indecision had been planted! Also, for the "yellowish gray" part of the car, I was in doubt for a very light gold/beige or a bit more presence beige. So I ordered small samples to be mixed at the local paint shop.
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Left to right we have Fiat Jazz Blue, Toyota Aurora Beige, GM Seeker Blue, Honda Shoreline Beige.
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I feel it very hard to realize the tone of a color looking into a small paint card, so I decided to test the samples using the barn doors of the parts car. Gave them a good wash, some very light and uncompromising sanding and gave them a go. I combined darker blue with darker beige (Jazz/Aurora), not so dark blue with lighter beige (Seeker/Shoreline):
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Both combinations came out stunning!
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And the verdict: I stood with the original pick, GM Seeker Blue. I am glad I took the time to do the comparison, though. I would possibly have second thoughts when looking at that Jazz Blue on a car on the road. Also, my end product is a tidy more dark then the Seeker Blue in the tests, for the reason the test doors were white, while my real car had a light blue primer applied. That enhanced the final color perception a bit.
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Bodywork and Paint - Roof
The roof on my Patrol had at some point a roof-rack, but not the type that goes on the rain gutters, but rather, the one where the roof is drilled. Rack was no longer there, but the 8 holes were... Also, the back left corner was dented towards the inside of the trunk, most possibly due to carrying too much weight on the roof, or maybe due to someone standing on top of it.
First, I took all the roof inside parts apart. The roof lining is completely stained of iron ore dust. I saved it for now, to be used as a template for a new one when the time comes.
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From the inside the roof had surprisingly nothing to deaden the sheet metal sound other then very few patches of cotton/wool blanket. Tapping on the roof would make drum-like noises.
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Here the roof dent had been roughly beaten back in place and the holes were welded shut. The roof panel was later softly beaten to a better finish.
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Some more gently beating, light coat of bondo, lots of sanding and some protection primer.
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All the parts are being primed with a multifill primer tinted with blue paint for the final sanding phase. Here the roof is ready for final paint and can be seen in such light blue primer.
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After the bodywork was complete, we used SILOC 44 rubberized PU adhesive to fill the gap between the roof sheet metal and the roof cross-member supports I don't have a good picture of it now, but the same was done on the hood/bonnet and for that I have pictures that I will post here later. Now, tapping at the roof makes a solid thud. Very good already but proper sound deadening will be addressed at reassembly.
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And the final result after 6 layers of Seeker Blue paint and 4 layers of clearcoat:
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Bodywork and Paint - Hood/Bonnet
The bonnet under-structure was broken in a couple of places and poorly stick welded. it also had some dents on the front lip.
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My friend grinded that out and mig welded it back. Even so, he admitted that it was not looking much better then it was before, for the sheet metal being very thin. Also, there was nothing else gluing the sheet metal to the under-structure anymore, so I redid the gluing with SILOC 44 rubberized PU adhesive, same mentioned in the previous post. Instead of putting glue just on the pockets available on the under-structure, I chose to put it on 100% of the structure. Tapping the bonnet now gives you a solid thud. Will probably do more appropriate sound deadening when the time comes.
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Here you can see some of the mig welding that my friend was upset with the appearance. I have also later regretted myself for not cleaning up the excess glue right after application...
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I bought myself a 120psi / 130L /5 cfm second hand compressor and a orbital sander and got to work.
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That compressor ended up being insufficient for the task. I did some more research and found out that at least 10 cfm was needed for the orbital sander. After a couple of weeks monitoring local classifieds for a deal, with people asking almost the price of a new unit for their used ones, I figured it was a better idea to bite the bullet and get a new one.
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Work then started to move faster.
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My friend noticed some bondo spots on the front lip and some other parts and decided to bring it to bare metal and do some panel beating. That was quick work for a flap disc on a grinder.
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After some filler primer and lots of sanding we got it to this point.
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And after full priming the top side of it.
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Back to the underside, it was being a pain in the butt of a job to remove the excess rubberized glue, so I decided to wire wheel it and then sand out the wire marks.
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And right before we moved into the next primer, my friend decided to give his welds some better finish, so he grinded them down some and then primed it all. The bonnet was now in pre-paint stage.
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Then came paint day, and after 6 layers of Seeker blue and 4 layers of clear coat, it was almost impossible to take a picture of the full bonnet showing its color such shiny it was. The pictures were reflecting the walls and not showing the blue in its entirety.
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Accessing the brake booster situation
Quote:
Originally Posted by
BrazilianY60
...when I saw the car, I noticed the brake booster/master cylinder were adapted from another truck available in Brazil.
Quote:
Originally Posted by
BrazilianY60
The booster is still a bit of a mystery. It does look equal to Y60 brake booster pictures I see online, but it has a part number that I checked and belongs to a Nissan Frontier truck (which is available in Brazil, BTW). On Partsouq they are not the same part number though. Maybe it was already adapted on the wrecked car? Who knows... Maybe you good fellows can tell me about you being using Frontier boosters on Patrols...
Time to do some body work on the firewall, so it was time to access the brake booster situation again. The car came with an adapted brake booster from a local Chevy C10 truck from the 80's. The booster seemed to be somehow shorter and then the lip of where the firewall upper and lower sheet metal sections meet was hammered to make it fit. Time for a fix...
This is the booster that came out. Note the stack of washers used to do spacing to some degree. What a rattling can of loosen parts, LOL. I can only imagine how silent my Patrol will be when I sort out all the crap stuff that has been done to it. Also note the weld at the tip of the shaft. It seems to have been shortened. Canīt complain about the brake pedal position though, it was spot on when driving.
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This was the firewall situation. The goal was to fix that lip on the sheet metal but I was surprised to realize that the firewall booster holes were also fckd-up to fit the adapted booster, something that honestly never occurred me. I was naively thinking boosters bolt pattern were somewhat of an industry standard.
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But wait... the firewall is sandwiched between the booster and the brake pedal bracket... if it is like this on the engine bay side, the cab side must have been fckd-up as well, right?
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Here is an OEM pedal side by side with the "creative people" pedal.
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The lip and the sheet metal with the offending holes were beaten back to place.
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Accessing the brake booster situation (cont.)
Here you can see a comparison between the adapted booster with an OEM unit. The adapted one is quite smaller in diameter (and so in effective diaphragm area which is what provides the force factor) and smaller in volume (which influences in the "amount of vacuum" available for consecutive brake pedal pressings. The pedal was hard before, but not as hard as if there wasn't any servo assistance. With the OEM unit being such a larger area as it is, I have high hopes for the car breaking behavior after I am done with this.
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The OEM booster also has this aluminum spacer to space it from the firewall. Remember the hammered sheet metal lip? I guess that happened with Nissan engineers as well, LOL. It was very handy, being a removable part, to be used as a template for creating an adapter plate to fix the booster mounting holes on the firewall.
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Now, comparing the OEM Nissan Patrol booster with the OEM Nissan Frontier booster I got from Paraguay back in 2019. Exacly the same diameter, exactly the same volume, should provide the same braking experience as the Patrol unit. Note that the booster to firewall studs are more then double the length on the Patrol unit to account for the spacer. Also, note the pedal pressing shaft on the Frontier unit being fairly longer.
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Trying to understand the reasons behind such differences, I started searching online for pictures of the Frontier unit. It turned out, that the unit I got from Paraguay back in the day, was not complete. The Frontier unit actually uses an spacer as well, much longer, with its own mounting studs on the firewall facing side. That was the reason for the shorter studs on the booster unit, as they didn't need to reach the firewall but rather, just reach the spacer. Also, note that there are no threads left on the booster studs once the spacer is in, so there was no way for me to use my Paraguay unit with the OEM Patrol spacer.
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I ended up buying another used Nissan Frontier booster, this time locally and complete with the spacer.
It turns out that the mounting face to pedal clevis pin distance of the Patrol and the Frontier units are exactly the same, with the same amount of adjustment threads on the shaft still available for fine tuning.
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And this is how the Nissan Frontier booster looks on the Patrol firewall, with its larger spacer. Good enough for me and now I am confident that it is an easy fix whenever I need (I also have an spare booster from Paraguay :D)
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Now back to the firewall fix. I have drilled 4 more holes to the adapter plate for plug welds. Aligned the plate with some screws, welded, primed and seam sealed it all.
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What is this booster bracket for?
The OEM Patrol brake booster had this bracket highlighted on the pictures. It was bolt to the booster-to-master studs and has a tab with a captive nut to hold something.
Anyone know what it is supposed to hold?
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Rear quarter panel evolution
Left side quarter panel had a deep dent that required some more difficult hammering as at the time we didn't had access to a spot welder. After the initial brute force approach, some more cautious hammering with a dolly support, then some filling and only after we were satisfied with it, a little bondo. Then, it was sanding, priming, sanding, priming... This is how it evolved.
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Right side had only minor defects and came out pretty good.
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At some point, my friend got himself a spot welder, and used the rocker panels to play with his new tool and practice. Came out really good. I don't have before pictures unfortunately.
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Out shed paint booth - kind of! LOL.
Without a proper paint-booth and it being rainy and windy over the last weeks, I was looking for a cheap way to close the front part of the garage/shed to get the best results possible as our place is almost "in the wide open". I ended up buying some 15m x 4m greenhouse plastic, the type used to cover flower greenhouses or covering the soil for farming strawberries and stuff. It was the cheapest I could find with enough thickness to be able to hold itself hung without tearing. This is how our "shady paint booth" came out! We filled buckets with water to hold the lower section down, otherwise it would fly into the work area.
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The end of the body work!
Last Saturday, after exactly two years of bodywork and paint (approximately 90 days of work total), my Patrol came back!
This is a personal milestone in this restoration and I am very happy that this day finally arrived.
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I have to reinstall the pedals, the boosters and the radiator to be able to take it for a drive around the block.
Then it will be time for sound deadening, roof lining, windshield and other windows installation.
Then it will be time for upholstering.