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A Pillar Guard Bolts

Started by FireKraka, January 29, 2014, 10:27:23 AM

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FireKraka

Guys can somebody tell what size and thread the front guard bolts are that hold the guard to the A pillar I can't find mine and am about to put my guards back on hopefully for the last time.
If I remember rightly I think mine were studs with a nut and washer but it has been a long time.
Appreciate your help in advance.

Regards
Neil H

hsv-001

From memory 1/4" unf with a 7/16" head, watch the length or they dent the guard if they go to far .Haydn

FireKraka

Thanks Hayden greatly appreciated.
As I said I think when I pulled them off they had studs maybe somebody did that so it would not dint the guard???

Regards
Neil H

fcwrangler

there are repo sets for sale on ebay with the cup washer and rubber seals.
Jim
on the seventh day: God Made Holden

FireKraka

Thanks Jim $23 delivered and I dont have to hassle about the right length really appreciate the info as always the forum comes through when you are looking for help.

Regards
Neil H

hsv-001

Make sure you have the bolt holes water tight or water runs into the a pillar and eventually down to the front of the sill. Haydn

fcwrangler

when I did the test fits for the wire loom on the front door, still had the original door rubber with the flap for the guard. Should be able to get thin rubber strips from Clark Rubber that will do the same job.
Jim
on the seventh day: God Made Holden

ardiesse

Neil,

Just to clarify a bit more:

The FB-EK bolts are 1/4-UNF, but the thread form is tapered at the end (almost like a Taptite), and the head is 3/8 AF.  The FE-FC bolts have a "normal" thread form, the head is 7/16 AF, and are shorter than the FB-EK equivalent.

When I fitted the front guards back to my FC, I used a flat washer and a lockwasher on the bolts, plus I cut out "washers" of rubber from an old bicycle inner-tube and coated the lot liberally with Butyl-mastic sealant.  I didn't want it to leak.

If you're using the kit with the cup-washer and rubber seal, don't overtighten the bolts, as it becomes really difficult to remove the bolts later if the cup washer is deformed.

Rob
Remember: if your Holden's not leaking oil, it doesn't have any.

FireKraka

Thanks Rob for the extra information.

Regards
Neil H