Pilot/spigot bearing puller
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- steveo9007
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Pilot/spigot bearing puller
I am shortly going to replace my gearbox and fit new clutch. I’m wanting to change the pilot/spigot bearing at the same time whilst gearbox is out and clutch is being changed. Any recommendations for a decent puller to get to do this job. I have seen inner pilot bearing pullers but some reviews are showing not very good results. Help appreciated thanks.
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Re: Pilot/spigot bearing puller
Fill the void with grease and get as tight a fitting piece of tube to the bearing , put it in the hole, give it a whack, the bearing will be pushed out due to hydraulic pressure
- steveo9007
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Re: Pilot/spigot bearing puller
I have heard of this method and seen a video where someone used bread. Do this actually work ??
1985 RHD Pop Top Autosleeper, 1.7D KY Engine 4 Speed ALD Gearbox (Bertie)
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Re: Pilot/spigot bearing puller
steveo9007 wrote: ↑22 Oct 2020, 11:26 I have heard of this method and seen a video where someone used bread. Do this actually work ??
never tried it with bread but grease works 100%
- ZsZ
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Re: Pilot/spigot bearing puller
fresh white bread works too. Done it that way before. But grease is better although it is more messy.
The main thing is the rod you use to hammer have to be a tight fit into the bearing.
The main thing is the rod you use to hammer have to be a tight fit into the bearing.
Zoltan
1986 Multivan ex-Caravelle. Van since 2006, running mTDi 1Z since 2008 with Fiat Croma 1.9 TDid pump 2008-2019, custom pump since 2019
5spd custom box 4.57 diff + 0.74 5th
1986 Multivan ex-Caravelle. Van since 2006, running mTDi 1Z since 2008 with Fiat Croma 1.9 TDid pump 2008-2019, custom pump since 2019
5spd custom box 4.57 diff + 0.74 5th
Re: Pilot/spigot bearing puller
Yes glad you mentioned the word rod as the tube mentioned originally earlier was possibly a bit misleading. A longish rod will help with visual alignment and ensure you have plenty upon which to grip if it should it jam in. As the rod is required to seal hydraulically when it is thumped into the bearing I would have used the word snug. I am surprised some enterprising wag hasn't come up with an "O" ring or lip seal and sachet of grease for this job.
Well-timed silence hath more eloquence than speech.
"A quiet shy boy who took little part in games or sport"
88 High top 2.1 WBX
"A quiet shy boy who took little part in games or sport"
88 High top 2.1 WBX
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Re: Pilot/spigot bearing puller
I use an 8mm Rawlbolt and a block of wood with a hole in it.
1.9D (AEF) pop-top. Aaaaahhhhh........that's better.
- Aidan
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Re: Pilot/spigot bearing puller
if you do the grease thing please video it as I for one want to see this actually done that way
I have a slide hammer and internal bearing puller and even with that it takes a fair pull (usually a couple of tugs) to get them out
I have a slide hammer and internal bearing puller and even with that it takes a fair pull (usually a couple of tugs) to get them out
- steveo9007
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Re: Pilot/spigot bearing puller
I have got a blind inner bearing puller coming my way, so will be using that but if it’s like toffee and breaks then I will have me loaf of bread and grease on standby
1985 RHD Pop Top Autosleeper, 1.7D KY Engine 4 Speed ALD Gearbox (Bertie)
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Re: Pilot/spigot bearing puller
steveo9007 wrote: ↑22 Oct 2020, 19:44 I have got a blind inner bearing puller coming my way, so will be using that but if it’s like toffee and breaks then I will have me loaf of bread and grease on standby
Grease is easier
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Re: Pilot/spigot bearing puller
I've used bread to get a blind bearing out and it worked a treat.steveo9007 wrote:I have heard of this method and seen a video where someone used bread. Do this actually work ??
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Re: Pilot/spigot bearing puller
Confession: I was thinking about plain pilot bearing removal using "piston", grease and hammer hydraulic technique in the days of cross-ply tires and black and white tele . I am less confident with needle roller bearing extraction using this method but it looks like a puller is on the way anyway.davidoft1 wrote: ↑22 Oct 2020, 19:54steveo9007 wrote: ↑22 Oct 2020, 19:44 I have got a blind inner bearing puller coming my way, so will be using that but if it’s like toffee and breaks then I will have me loaf of bread and grease on standby
Grease is easier
Well-timed silence hath more eloquence than speech.
"A quiet shy boy who took little part in games or sport"
88 High top 2.1 WBX
"A quiet shy boy who took little part in games or sport"
88 High top 2.1 WBX
Re: Pilot/spigot bearing puller
Got an Excel file doing the calculations but cant work out how to upload it but this sketch should explain it ok. The inverse square law is very helpful in this situation as the cross sectional area increases with the square of the radius so the bit round the edge gives plenty of bangs per buck so to speak. Tricky to seal in the case of a needle roller but a dream for solid bearings - even oilite bushes especially with grease.steveo9007 wrote: ↑22 Oct 2020, 11:26 I have heard of this method and seen a video where someone used bread. Do this actually work ??
See loosely connected aside story after image:
Some time ago My mate across the road brought home a massive cherry picker lorry with a damaged side jack piston for the engineer to come and replace. After several hours of poking about with hooks and wedges the engineer decided it had to join a three week queue at the workshop as the piston rod was hopelessly jammed into the cylinder with nothing exposed to grip it by . I wandered over (as usual) to see what was up and after a bit of pondering, asked my mate to start up the engine and attempt to extend the leg. I placed a bucket under the cylinder and when he operated the lever the piston gently slid out falling into the bucket together with a couple of litres of hydraulic fluid. The engineer didn't know whether to cry or laugh as he had ether over thought the job or was short of work .
Well-timed silence hath more eloquence than speech.
"A quiet shy boy who took little part in games or sport"
88 High top 2.1 WBX
"A quiet shy boy who took little part in games or sport"
88 High top 2.1 WBX
- tobydog
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- steveo9007
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Re: Pilot/spigot bearing puller
Has to be white, can’t stand whole meal
1985 RHD Pop Top Autosleeper, 1.7D KY Engine 4 Speed ALD Gearbox (Bertie)