My Beetle Restoration

Tag: heater channel

Initial Body Rust Repair Assessment

by on Feb.18, 2011, under Body Work

Now that the body is off the chassis, I can get an even better view of the rust damage and what needs to be replaced. Basically, most everything on the bottom 4-5 inches of the body will need to be replaced with donor parts or new panels. The bottom areas of the body suffered the most moisture exposure while sitting idle for 20+ years in the harsh Minnesota weather. I was told that it was sitting under a shed most of this time, but I’m guessing that snow and rain were still able to reach the underside of it. And if it spent the first 25 years in this harsh environment as well, it had probably already experienced some rust damage before it was parked for another 20 or so years.

So here is my initial assessment of what will need to be repaired:

Heater Channels: The heater channels have been destroyed by rust both inside and outside and will need to be replaced. The rear sections suffered the worst damage and have disintegrated completely. Both sides had mouse nests inside the channels. Since the replacement aftermarket heater channels available today are so different in both design and fit from the original parts, I have decided to purchase donor channels from a car of a similar age. I found donor parts on thesamba.com and they were shipped via Greyhound bus from California which is, by the way, an economical way to ship large bulky items. There is no guarantee that the donor channels will be a perfect fit, but they should be much closer than the new aftermarket parts and will have the same contours, stampings, and vents.

 

Front firewall: The front firewall is in fairly good shape. There are significant areas of rust on the bottom left and right corners where it attaches to the heater channels, but I should be able to graft in areas from new or donor parts. The areas that need to be replaced are really the only areas on the new aftermarket parts that are close to the original parts, so I may just buy a new panel and cut out the sections I need. Otherwise, the rest of the new firewall panels are significantly different than the originals and are missing the fuel valve hole, choke cable hole, and recessed stamping for the high beam switch and it would not be worth replacing the whole panel with a new one. Besides, there are many spot welds to drill out to remove the current one and just as many welds to make to install a new one.

 

A-Pillars: I know the passenger side A-pillar has rust damage because the lower door hinge would flex quite a bit as something inside the pillar was loose. I’m not really sure what condition the A-pillar is on the driver side and will not really know until I can take a good look inside of it. From the outside, it looks in pretty good shape. The correct replacement panels cost $120 each, so I will try to find a good donor panel first. Once I remove the heater channel on each side, I can see inside the pillars and get a better idea of the extent of the damage.

 

Rear Cross Members: The outside ends of the rear cross members are rusted, so I plan to only replace these areas. Aftermarket replacement panels are available and aren't too different than the originals, but I will look for donor panels because I intend to replace the ends of panels just past the heater tubes and want the tubes to match the originals. It will also be less work if I can use matching donor parts as the heater tubes will already be welded to the panels. With new panels, I have to move the tubes and weld them on.

 

Luggage Shelf: The luggage shelf is also in fairly good condition, except for rust on the very bottom left and right corners where they attach to the rear cross members and rear wheelhouses. I will look for a donor panel to cut pieces out for replacement. I did find a supplier that sells a donor clip with the entire luggage shelf with the rear cross members as well. That may be an option that will provide panel grafts for both.

 

Rear Quarter Panels: The bottoms of both rear quarter panels are heavily rust-damaged. In fact, both the inner and outer portions of the panels will need to be replaced. Since the heater channels that I am purchasing will include the rear quarter panels, I will cut sections from the donor panels to replace the damaged areas. The passenger side panel has a large dent in it that is covered with body filler. I will likely replace the panel past the point of this dent.

 

Front Apron: The front apron is in usable shape, but will need some repair. The overrider holes are mangled a bit from when the bumper was damaged. As long as there isn’t any rust damage on the underside of it, I may just weld in a patch where the overrider holes are and re-cut the holes. The spare tire tray that attaches to the bottom of the front apron will have to be replaced. I will likely use a new panel as they are close enough to modify to be like the original panels and they are inexpensive.

 

VIN Plate\Brake Fluid Reservoir Well: The VIN plate\brake fluid reservoir well has some significant rust, namely under where the reservoir is mounted and on the front mounting bracket that mounts the body to the front axle. This panel will need to be replaced. Since aftermarket parts are not available, I will need to find a donor part or try to fabricate parts, which would be very difficult to do. Brake fluid is a great paint remover, so an area like this that would normally be dry and safe from moisture, was soon bare and vulnerable to rust. Because of this, it suffered quite a bit of errosion and pitting.

 

Rear Apron: The rear apron is pretty banged up. The bottom of the panel is bent upward on one side and there has been some questionable body work done on it at some point. Apparently, to get the bottom corners to match the rear fenders, someone beat in the corners and then filled them in with body filler. The underside has a lot of surface rust, so I may have to replace the bottom portion of the apron with either a new or donor panel. The bottom portion of a new panel, from the weather seal down, should be fairly close to the original, but a donor panel would be preferable, but perhaps harder to find.

 

Front Wheelhouses: The front wheelhouses are in good shape except for the areas where they attach to the very front of the heater channels and also at the bottom corners of the front firewall. This area on both sides will need portions of a panel grafted in where the metal is rusted. I will use new panels for this. The rest of the front wheelhouses are fairly rust free. I do know that I have to weld one side of the horn bracket because I broke a spot weld trying to remove the horn. I also have a hole that needs to be plugged on the passenger side where a previous owner drilled through it to run a bolt to hold the bumper bracket. Apparently, the bumper mount, which is located inside the spare tire well, was stripped out and rather than repair the threads in the mount, they just drilled a hole through the mount and wheelhouse and ran a bolt through to secure the bumper bracket to the mount. I will either replace the mount or remove it, weld a nut on the back side, and re-weld it.

 

Rear Wheelhouses: Both of the rear wheelhouses need quite a bit of work. Both will need a large section of the very rear of the wheelhouses replaced. These areas include the bumper mount and there is a lot of rust damage there. Since the available aftermarket panels are similar to the original parts, I will use these to make the repairs. Both sides also have quite a bit of rust on the brackets that bolt to the shock towers on the chassis, so I would like to at least replace the brackets with donor or new parts. Also, both sides have a good deal of rust damage on the front of the wheelhouses. The available aftermarkets panels for this area also include the shock tower brackets, so these panels will take care of both issues.

 

There may be other areas that need rust repair, but these are currently my main areas of concern. There is surface rust throughout the body and I will not really know if there is significant damage until I start removing the rust. I want to get the major work done first, and will address the other areas after the structural work is completed. I’ll also have to tackle repairing and fitting the doors, front hood, and engine lid before getting to the cosmetic work.

There is also a great deal of work to be done to the chassis, such as replacing the floor pans and napoleon hat, which will need to be done alongside of the body repair. This work will be shown in a separate category named Chassis.

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July 2011 Update, Donor Heater Channels

by on Jul.20, 2011, under Body Work

Well, I haven’t done anything to the car at all since the middle of March. I’ve had time to work on it, but I haven’t had the money necessary to buy all the replacement and donor panels I need for the next step. It’s also been way too hot to do any work on it. It’s been unbearably hot in Central Texas this year! Once I have the money for the parts and tolerable weather, I will get back to it again.

 

I did purchase donor heater channels from a guy in California and had them shipped via Greyhound bus to Texas. It’s a fairly inexpensive way to ship big, bulky items like this. I would, however, recommend that if you have anything shipped this way to have the person shipping it to you to thoroughly wrap and protect the item. My guy did a terrible job packaging my heater channels they got banged up more than they should have. There was also sharp metal sticking out of the packaging and a bus driver cut his hand (not seriously) unloading it at my local station. The cranky old lady that manages my station complained vigorously about the poor packaging. Being partially covered in cardboard and shrink wrap was not sufficient to protect it… and it was dangerous as well.

The heater channels I purchased included the rear quarter panels. I don’t know just what parts of the quarter panels I will use yet, but I do know that I will need the inner panels for sure. I thought I was getting a matched set of heater channels, but got a pair from two different model years. I think they are close enough to my model to fit well and only the driver side is newer. I think it is only a year or two newer as it has holes in it for the wiring harness, but the vent louvers still match. These should be much better replacements than the new ones available today.

I started drilling out spot welds on the front end of the passenger side heater channel. I first removed the paint and the body sealer covering the welds with a wire brush in my drill. I then removed the remnant of the front wheelhouse. By that time, the inexpensive spot weld bit I was using was really dull. I’m going to need to purchase a much better one before drilling any more of them. There was a little surface rust under the panel, but overall it seems in pretty good shape.

 

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