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separate turbo from housing (manifold)

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foxy99 Posted a lot Posts: 1,454	separate turbo from housing (manifold) foxy99 @foxy99
	Dec 16, 2023 14:54:08 GMT Select Post Deselect Post Link to Post Back to Top
	Hi folks I finally took the plunge and removed my turbo (to clean the vanes) from my Mk3 Mondeo 2.2 Was easier than I expected and thought the next stage would be easy..... remove the 6 bolts and heavy washers that screw into the manifold housing and lift out the turbo Not so. The 2 parts won't separate despite loads of penetrant, lots of hammering and levering plus the addition of heat (propane torch). I really don't know what to try next other than a few more weeks of the same. One of the issues is that you can't really hammer the turbo away from the manifold and there's not a lot to hammer on plus you'll end up damaging the alloy I'm also puzzled as to why I've never seen this mentioned despite lots of stuff online about removing the turbo c/w manifold from car and occasionally removing the turbo while leaving the manifold on the car Garrett turbo c/w manifold on bench propane introducing some heat smoke and WD40 using bar to hammer/lever on turbo assy and edge of manifold
	1974 Daimler Double-Six VDP 1965/67 Hillman Imp pick-up 1984 VW Polo breadvan 1970s Yamaha Twins (4) 1976 Honda SS50ZK1

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welshpug Posted a lot Posts: 4,371	separate turbo from housing (manifold) welshpug @welshpug
	Dec 17, 2023 10:49:36 GMT Select Post Deselect Post Link to Post Back to Top
	You haven't clamped or bolted it to anything?
	ZX 16v, 205 GTI. my ZX's project thread - retrorides.proboards.com/thread/151997/16v-project-pt2-power-upgrades

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giuliettaevo Part of things Posts: 512	separate turbo from housing (manifold) giuliettaevo @giuliettaevo
	Dec 17, 2023 11:27:24 GMT Select Post Deselect Post Link to Post Back to Top
	I've taken apart a few and have held them by the alu compressorhousing with the exhaust side pointing down. I then hit on the edges of the exhaust housing, taking care to hit evenly around on thicker parts and not near the screw holes. You need the hard impact to 'scare' it loose. Prying never worked for me. But it it's just for cleaning purposes you might want to fill it up with ovencleaner (or is it called Furness cleaner🤔)?


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foxy99 Posted a lot Posts: 1,454	separate turbo from housing (manifold) foxy99 @foxy99
	Dec 17, 2023 12:49:03 GMT Select Post Deselect Post Link to Post Back to Top
	Dec 17, 2023 10:49:36 GMT welshpug said: You haven't clamped or bolted it to anything? correct. you want to knock the manifold off the turbo not knock the turbo out of the manifold so there's nothing to be gained from bolting the manifold down
	1974 Daimler Double-Six VDP 1965/67 Hillman Imp pick-up 1984 VW Polo breadvan 1970s Yamaha Twins (4) 1976 Honda SS50ZK1

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foxy99 Posted a lot Posts: 1,454	separate turbo from housing (manifold) foxy99 @foxy99
	Dec 17, 2023 13:01:42 GMT Select Post Deselect Post Link to Post Back to Top
	Dec 17, 2023 11:27:24 GMT giuliettaevo said: I've taken apart a few and have held them by the alu compressorhousing with the exhaust side pointing down. I then hit on the edges of the exhaust housing, taking care to hit evenly around on thicker parts and not near the screw holes. You need the hard impact to 'scare' it loose. Prying never worked for me. But it it's just for cleaning purposes you might want to fill it up with oven-cleaner (or is it called Furness cleaner🤔)? Thanks for the advice but yeah I was thinking if I can't separate it may just need to clean it 'blind'. A lot of people advocate using oven-cleaner squirted thru a hole drilled in the opposite end of the manifold but I can't see how this is satisfactory as you aren't going to be able to directly clean the moving parts which are on the opposite side of your nozzle. I Have seen 2nd-hand units for sale at less than £100 so if worst comes to worst and I damage the manifold can always buy a used one. Think I'll have a last try with heat. Will remove the actuator unit and put the thing on a hotplate for an hour or so. I used this method to get seized studs out of a Jaguar V12 block and a Hillman Imp cylinder-head hotplate is a good source of steady heat
	1974 Daimler Double-Six VDP 1965/67 Hillman Imp pick-up 1984 VW Polo breadvan 1970s Yamaha Twins (4) 1976 Honda SS50ZK1

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giuliettaevo Part of things Posts: 512	separate turbo from housing (manifold) giuliettaevo @giuliettaevo
	Dec 17, 2023 15:31:27 GMT Select Post Deselect Post Link to Post Back to Top
	I don't think that heating it that way will help much. Gradually heating the entire turbo makes it expand in total while you would only like the exhausthousing to expand.


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foxy99 Posted a lot Posts: 1,454	separate turbo from housing (manifold) foxy99 @foxy99
	Dec 17, 2023 16:36:34 GMT Select Post Deselect Post Link to Post Back to Top
	True but often when things cool down again the seal is broken. Can only try
	1974 Daimler Double-Six VDP 1965/67 Hillman Imp pick-up 1984 VW Polo breadvan 1970s Yamaha Twins (4) 1976 Honda SS50ZK1

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foxy99 Posted a lot Posts: 1,454	separate turbo from housing (manifold) foxy99 @foxy99
	Jan 12, 2024 2:11:34 GMT Select Post Deselect Post Link to Post Back to Top
	This thread is basically now closed fwiw but if anyone is interested in the outcome here's a quick summary: I bought a spare manifold - £24 (inc P&P) from Ebay, planning to grind the original off or crack it off or whatever. When the spare arrived I had nothing to lose so hit the original hard with a lump-hammer and it came off. There was some bruising to the casting which slightly deformed the openings to the a few of the threaded holes. With 2 manifolds showing the exposed 'nozzle ring' (I just learned that's what they are called) I decided to strip and clean them further. 2 of the 3 small Torx screws rounded-off on the spare but not the original so I ended up re-using the original manifold - after cleaning the threads with a tap So I guess the advice to anyone else with my original problem would be *hit it harder and/or with a heavier hammer* but better advice would perhaps be *spend a day or two shaping and drilling a thick curved piece of steel to bolt onto the manifold flange and protect the actual casting* 2nd hand manifold from Ebay spare manifold had most of the 'nozzle ring' components damage to original casting when hammering it off turbo-cartridge could only get 1 screw out spare manifold so unable to dismantle further all screws came out original unit original unit stripped right down nozzle-ring cleaned (rear) front turbo cartridge being cleaned cleaned running tap thru damaged threads turbo & manifold (arrowed) back in place
	Last Edit: Jan 12, 2024 2:15:21 GMT by foxy99 1974 Daimler Double-Six VDP 1965/67 Hillman Imp pick-up 1984 VW Polo breadvan 1970s Yamaha Twins (4) 1976 Honda SS50ZK1

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kevins Posted a lot Posts: 4,858	separate turbo from housing (manifold) kevins @kevins
	Jan 12, 2024 11:20:37 GMT Select Post Deselect Post Link to Post Back to Top
	I find a big copper hammer is great for this sort of thing and doesen't usually damage the castings.


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giuliettaevo Part of things Posts: 512	separate turbo from housing (manifold) giuliettaevo @giuliettaevo
	Jan 12, 2024 11:39:53 GMT Select Post Deselect Post Link to Post Back to Top
	Loosening the bolts 2-3mm and leaving them in will prevent the turbo from falling apart and keep the holes with the threads round. Offcourse you need to be careful to not hit the bolts this way.😉


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