Series 3 SWB Nut and Bolt rebuild

UpandOver · Mar 17, 2021

SUSPENSION !
No point asking whether to go for parabolic or not, as this is a standard rebuild so standard leaf it it. But here is the question? been on John Craddocks and the front SWB springs are 11 leaf - tick in the box, great that's what was on the old girl, righ then from the photos on the JC web site the rear springs have 9 leaves ? where as the old springs that I took off had 7 ?? any ideas what should be on the rear ?

steve2286w · Mar 17, 2021

Have you considered cleaning up old springs , it’s quicker than fitting new ones.

Resurgam · Mar 18, 2021

UpandOver said:
Hi Resurgam,
The secret is high build 2pk primer, wet and dry in-between coats don't be tempted to use stopper or filler as it may crack; at the end of the day they are wheels and will no doubt will take some punishment.

Thanks, I'll remember that for next time! Good to see someone else from Anglesey on here. Whereabouts on the island are you?

UpandOver · Mar 19, 2021

Quick update from todays tinkering..... cleaned blasted and primed the steering arms and relay, cleaned blasted some engine items (fan, sump, alt brackets, oil filler etc) Cleaned the main end bearing caps and cleaned up the bearing shells to get the numbers off them to look at ordering replacements from Turners eng. (big thanks to Frida Turner for identifying the bearings so quickly) glad to hear that they are all standard size, except the thrust washer .025
Will hand fire with the order until I get the block back from the engine specialist just in case there is any changes (such as a regrind etc).

UpandOver · Mar 20, 2021

Quick update on todays progress, started to get the engine items ready for when the block and head return, took the oil pump apart, cleaned and bolted back together, had thought of a new one but after reading the notes on Turners web page about the new ones being particularly noisy as they have straight cut gears and their advice to inspect and clean existing I listed and saved myself a few quid! Still need a gasket, o ring and rubber washer for the strainer but they are pennies.
Primed all the items that were blasted yesterday first thing this morning and then just top coated them before retiring for the evening as its 16:64 ! No thats not BST Welsh time its beer time !

UpandOver · Mar 24, 2021

Progress had started to slow up a bit as I was waiting for parts, but today the FedEx fairy arrived with rear springs, U bolts, shackle plates and bolts so armed with an extra pair of smaller hands (my youngest son William) we managed to fit the rear axle.
Then after lunch a DPD delivery with more parts! .... talk about everything at once! so we made up lost time today and managed to fit the rear and front axles... Wow these things are heavy ! no wonder a SWB alone can pull 3.5T trailer its basically a tractor with three seats!
Still waiting for the poly bush kit so haven't fully finished, plus two of the rear U bolts were different to the other two even though the part numbers were the same ? (see photos)

UpandOver · Mar 28, 2021

Started on the bulkhead last night, I recon those guys at Solihull got paid by the weld as there were 15 spot welds holding each of the lower bulkhead brackets on ! it wasn't until I googled a few photos that I realized they were welded. So after a bit of cleaning I found them. Drilled them out and voila !

UpandOver · Mar 28, 2021

With the bulkhead all cleaned up its easier to see what part of the footwell to replace (easy all of it!)

UpandOver · Mar 28, 2021

Well the bulkhead looks like Swiss cheese after drilling all the spot welds that held both foot wells.
Will spend the day tomorrow tidying it all up with some sandpaper ready to weld the new footwells and pillar brackets. Will give it a coat of 2pk aluminium primer first.

steve2286w · Mar 29, 2021

Not much fun drilling spotwelds , did you use the proper spot weld drills or another method, I went through several,drills with them breaking

UpandOver · Mar 29, 2021

I re ground a 6.5mm drill bit so the cutting face was flatter and drilled most of them out, I will fill the holes back up with the mig welder once the new floor pans are clamped in place.

mick the builder · Mar 30, 2021

Just found your rebuild. Your doing a great job. Did you ever think of getting the bulkhead galvanised?

UpandOver · Mar 30, 2021

Yes Mick, Here it is shotblasted with the drivers side footwell welded back up. Passanger side to do tomorrow along with the pillar brackets and its ready to go next Wednesday to the galvanisers.

UpandOver · Mar 30, 2021

This morning job before i started on the bulkhead was fitting the shocks! What a job! Heres a picture of how I managed to squeeze the lower bushes in enough to fit the washer and split pin. A length of unistrut and a large gee clamp!

UpandOver · Mar 31, 2021

HELP! Right then the front diff outer pinion bearing stuck out more that the rear and there wasn't a spacer (539745) Therefore I ordered a new bearing 539707G and a spacer, after a lot of welding and pulling I managed to set the old outer bearing race off the diff casing. However the new bearing it too small (diameter wise) the bearing that I took out is a SKF 3120 outer 3193 inner ? any idea why what where?

LincolnSteve · Apr 1, 2021

In a word.......no. Sorry about that. I'm sure one of the more intelligent people will be along soon to help. Good luck mate.

UpandOver · Apr 3, 2021

quick update on the last few days, brake pipes all done, what a pain in the a*%e to fit the front cylinder link pipes.... grr ended up having to remove the steering arm bolts and lock tab to get them into position.

UpandOver · Apr 3, 2021

Bulkhead all welded up and ready for sending to the galvanizers next week, here it is fitted to the chassis to check that the lower pillar brackets were aligned before welding up the spot welds. (Top tip, the brackets came powder coated, which is difficult to remove with a blast cabinet, so I made a small fire with all the carboard boxes that I had in the garage in the fire bin and hung them to the inside with some wire, 15 min later the coating was turned to dust)

UpandOver · Apr 3, 2021

The mystery of the differential....... finally found out what and where but not when.... the diff casing seems to be from a S11 which has a larger pinion bearing had thought of changing the diff for a 2a or 3 but decided to leave it as the diff seems ok I have changed to oil seal and will order the correct bearing.

UpandOver · Apr 3, 2021

Engine update, a light hone of the block revealed that No 1 bore was slightly worn. A quick call to Turner Engineering and some over sized pistons were posted out in exchange for the std ones. What a great company do deal with very helpful and knowledgeable. They even picked up that I had selected the incorrect core plug kit on my web order and called me to check! So just waiting for the block to be bored out (could be today) cylinder head is ready with new valve guides, cut seats and valve lapped in. Cant wait to get it back to the garage and start building it back up.
Gearbox to attack next! any recommendations ? what to check, change? Some companies offer a refurb kit (bearings seal etc) but I am rather skeptical regarding quality.

Series 3 SWB Nut and Bolt rebuild

Having freshly galvanized the original chassis do I paint it black or leave it as it is ?

Yes - Etch, prime and paint black

No - Leave it galvanized

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