P38A Knocking noise what to change??

Therustbucket · Oct 7, 2021

So now car is running on lpg and had new tyres can move onto something else as is always the case haha.
so now have a knocking when on and off accelerator I reckon it’s radius arm bushes. Should I just buy a kit and change them all but do I polybush or stick to standard rubber. Poly is harder should last longer but will it be too harsh and wear more stuff out.

brianp38dse · Oct 7, 2021

Clonking going on and of throttle could be propshaft uj`s, jack one side up and give them a good rattle around there should not be any pla the joints
if its the radius arms if you have access to a press use original they seam to last longer, or take the arms down to a local friendly garage and get them to press the new ones in

kermit_rr · Oct 7, 2021

I was under the impression that original press fit bushes would last longer but poly is easier to fit.
I went poly with the view it has to be better than old worn out rubber

kermit_rr · Oct 7, 2021

brianp38dse said:
Clonking going on and of throttle could be propshaft uj`s, jack one side up and give them a good rattle around there should not be any pla the joints
if its the radius arms if you have access to a press use original they seam to last longer, or take the arms down to a local friendly garage and get them to press the new ones in

My local refused.. press not man enough

brianp38dse · Oct 7, 2021

kermit_rr said:
My local refused.. press not man enough

They must have a very small press then, the one i used is only a small 10t one and it was hardly doing any work
i have a set of flowflex radius arm bushes i did not use as used original.

kermit_rr · Oct 7, 2021

brianp38dse said:
They must have a very small press then, the one i used is only a small 10t one and it was hardly doing any work
i have a set of flowflex radius arm bushes i did not use as used original.

maybe just a bad experience.. i had a heck of a job getting one of the old ones out

brianp38dse · Oct 7, 2021

kermit_rr said:
maybe just a bad experience.. i had a heck of a job getting one of the old ones out

I found that to bee the easiest job just ran a drill down the edge a couple of times and they fell out the outside is only plastic.

tomcat59alan · Oct 7, 2021

kermit_rr said:
My local refused.. press not man enough

It's not the size of the press it's the tapered fitting tool that's needed to fit OE bushes.getting the old ones out were not a problem,thy don't like heat.iI fitted Poly bushes but just to the four hockey stick to axle and never noticed any ride difference.

Therustbucket · Oct 8, 2021

Bushes always a problem to press out I normally use a threaded bar and pull them out way. I reckon it’s the ones on the straight edge that’s my issue as can feel under drivers seat. I’ve had a look at props when I first got car and seemed solid and actually greased to my surprise. I’ll give it a grease again anyway when I go under. I just know from experience I’m going to be chasing the noise so think I’ll just got for a full car bush set haha.

oakey · Oct 8, 2021

I would stick with original rubber

tomcat59alan · Oct 9, 2021

Therustbucket said:
Bushes always a problem to press out I normally use a threaded bar and pull them out way. I reckon it’s the ones on the straight edge that’s my issue as can feel under drivers seat. I’ve had a look at props when I first got car and seemed solid and actually greased to my surprise. I’ll give it a grease again anyway when I go under. I just know from experience I’m going to be chasing the noise so think I’ll just got for a full car bush set haha.

You'd better get the fitting tool for the front hockey stick bushes then.they are not steel sleeved but plastic and slightly larger in diameter than the hole they fit in.i have fitted OE in the past by placing them in hot water and compressing them with Jubilee clips and plenty of lubrication it was a right bastid. And if you get the tool we could all borrow it for a donation,it was £90 the last time I looked.

TITCH SANDERS · Jul 17, 2023

Anyone know of this correct tool & availability?
Thanks,
Titch

Datatek · Jul 17, 2023

TITCH SANDERS said:
Anyone know of this correct tool & availability?
Thanks,
Titch

?????????

TITCH SANDERS · Jul 17, 2023

'You'd better get the fitting tool for the front hockey stick bushes'
I'm not totally sure which bushes they are, I have the new one's and apparently they are fitted with a special tool as not a straight press fit??
I may well be wrong.. I'll ask my pal to confirm what's needed..
Titch

pwood999 · Jul 17, 2023

https://www.lrdirect.com/lrt-60-004-remover-replacer-radius-arm-bu

Or search this forum for the jubilee clip method. Did mine using jubilee clips & garage press after filing a chamfer on one end of the bushes..

kermit_rr · Jul 17, 2023

I cheated and used the split poly type. Dead easy but don't last as long

pete12345 · Jul 17, 2023

I used jubilee clips and freezer

brianp38dse · Jul 17, 2023

I used the special tool it was a doddle :vb-biggrin:

the new bushes are 2mm bigger then the hole.

pete12345 · Jul 18, 2023

Have a look on google there’s a fella on there that does it with a bearing rave and a power drill

romanrob · Jul 18, 2023

The fella being me : o) although no doubt there are others. Sorry, rubbish sound... You're going to need a 30306 taper bearing race and a standard bearing puller kit with some jubilee clips and big washers. I'd already done the arms by this stage so filmed the vid using a mock up

Please don't use poly. When I bought my first one I had major death wobble issues until i replaced the poly bushes in the radius arms for OEM. Unless you enjoy the feeling of having the front axle almost ripped from underneath the car at 60 miles an hour of course, but it's not something i would recommend

P38A Knocking noise what to change??

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