Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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My machanic can't do it, he said it needs to be sent of and sweated onto the con-rod 
He doesn't know anywhere who could do it, nor do I.
Anyone know anywhere who could offer such a job?
Thanks.
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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its not hard all you have to do is press the old gudgeon pins out and then sweat the new pistons on.my old place could do it for you no problem.and it wouldnt cost that much.
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Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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What do you mean by ''sweat''?
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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you have to heat the rods so that the new gudgeon pins slide through it. then then when it cools it grabs onto the pin
i'll u2u you there number and you can speak my old gaffa about doing it
[Edited on 12-05-2007 by sri power]
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SportBoy
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Registered: 5th Oct 01
Location: Retford, Nottinghamshire
User status: Offline
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didnt think that needed doing on the 1600s
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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im not sure as ive never done those type of rods and pistons.but they are eva sweat on or they use cerclips.if its the cerclip type they are even easier to do.
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ed
Member
Registered: 10th Sep 03
User status: Offline
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I thought they were held on by circlips personally
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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im not sure too.but if they are then its easy to do just make sure you put the pistons on the right way
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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std vaux is interfrence fit isnt it... so would need pressed in/heated etc.
C20XE are anyway...
I used a wooden dive and a mallet to bash out the fucked on my old rod's/pistons
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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I also think they're circlipped.
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Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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Nope, not clipped in, found out today when we removed the old pistons.
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shane2corsa
Member
Registered: 4th Sep 05
Location: Nettleham, Lincolnshire
User status: Offline
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when i used to put pistons on to conrods, i was taught to put the 'pin end' of the piston under hot running water, then the new gudgeon pin slides through dead easy! because aluminium/accralite heats up at a quicker rate than the steel gudgeon pin, therefore expands first and allows the 'unexpanded' steel pin to slide through.... or summat.
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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use an oven and a fridge, put the piston in the oven at about 100 degrees for 30 mins and the pin in the freezer they should go together fine.
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Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
User status: Offline
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quote:
Originally posted by Dave A
use an oven and a fridge, put the piston in the oven at about 100 degrees for 30 mins and the pin in the freezer they should go together fine.
Note. Make sure you have your oven mits on tho
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Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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quote:
Originally posted by Dave A
use an oven and a fridge, put the piston in the oven at about 100 degrees for 30 mins and the pin in the freezer they should go together fine.
Ok mate i'll do that. But how do you get the old pin out, and what about the conrod's? put them in the oven too?
[Edited on 13-05-2007 by Monster]
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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you need to press the old ones off.you have to be carefull when you putting them on though.
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