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Search found 62 matches: piston melt

Searched query: piston melt

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Re: MK7 Engine rough, smoke and oil in engine bay

Yes, possible for injector to fail, spray fuel to one side and concentrate heat on one part of the piston and melt and crack it. been reported here a few times.

all the best.mark
by metalworker0
Sat Nov 01, 2025 12:50 am
 
Forum: Mk6 & Mk7 - Third Generation Transits
Topic: MK7 Engine rough, smoke and oil in engine bay
Replies: 28
Views: 19593

Re: Reconditioned engine recomendations please .

... between top end and bottom end problems, but Mk7's have been known to melt the odd piston (I think No3 is the usual suspect, but don't quote me on that). Is it a tapping noise, ...
by Altransit
Thu Aug 07, 2025 11:12 am
 
Forum: Transit Custom
Topic: Reconditioned engine recomendations please .
Replies: 12
Views: 1935

Transit 2.4 into a mk8 2.2

... details for here! I have a problem, I've had the dreaded 2.2 hole in piston, it then had new pistons fitted and lasted about 1000 miles before ... and turbo are new and use the 2.2 fuel pump. Obviously I don't want to melt a piston on the 2.4 so had anyone done this? The dpf and egr have been ...
by Stefancapri
Fri May 09, 2025 9:09 am
 
Forum: Technical Problems & Questions
Topic: Transit 2.4 into a mk8 2.2
Replies: 7
Views: 4327

Re: New Injectors - Learning???

... is running rough when cold and not 100% when hot. Pos' due to damaged piston(s) under the pistons are oil squirters the oil helps to cool the pistons. If the squirters get blocked - the piston can melt = low compression = poor engine performance when cold and hot. Pressure passing ...
by tranmx2
Tue Mar 05, 2024 2:08 pm
 
Forum: Mk6 & Mk7 - Third Generation Transits
Topic: New Injectors - Learning???
Replies: 9
Views: 1219

Re: Overfueling

... So if there is no smoke and iit is OK? Just a bit paranoid that it will melt a piston in my new engine. What makes you think it's "overfueling"..?? When were the ...
by frosty125
Fri Jun 24, 2022 3:31 pm
 
Forum: Mk6 & Mk7 - Third Generation Transits
Topic: Overfueling
Replies: 4
Views: 393

Re: Overfueling

... So if there is no smoke and iit is OK? Just a bit paranoid that it will melt a piston in my new engine. What makes you think it's "overfueling"..?? When were the ...
by knobby1
Wed Jun 22, 2022 8:09 pm
 
Forum: Mk6 & Mk7 - Third Generation Transits
Topic: Overfueling
Replies: 4
Views: 393

Re: Overfueling

knobby1 wrote:
frosty125 wrote:How do I check/make sure my 2.2fwd euro 4 is not overfueling?


Black smoke..?? White smoke..??

If black smoke, check for boost leaks, split boost hoses/intercooler.

Lord Knobrot


So if there is no smoke and iit is OK? Just a bit paranoid that it will melt a piston in my new engine.
by frosty125
Wed Jun 22, 2022 8:51 am
 
Forum: Mk6 & Mk7 - Third Generation Transits
Topic: Overfueling
Replies: 4
Views: 393

Re: 2.2 Euro4 110PS FWD QVFA engine

... is still in one piece but as you can see from the third pic it is badly melted, no doubt through overfuelling. I haven't photographed the cylinder ... seat. I think that will be where most of the compression is lost. No. 2 piston also looks like it was starting to melt, on the edge of the combustion ...
by Cider Andy
Tue Sep 03, 2019 5:25 pm
 
Forum: Technical Problems & Questions
Topic: 2.2 Euro4 110PS FWD QVFA engine
Replies: 97
Views: 9823

Re: Injector failure destroys engine

... injectors, but that has had daily use. If all it's done is crack or melt that one piston though, I'd be getting the engine repaired at that mileage. Rebuilt exchange engines ...
by Cider Andy
Mon Jul 01, 2019 6:04 pm
 
Forum: Mk6 & Mk7 - Third Generation Transits
Topic: Injector failure destroys engine
Replies: 3
Views: 684

Re: 2014 Mk8 2.2 engine removal/rebuild

i would be tempted to get a set of decent pistons (if such things exist?) if your going to run the remap. Our resident engine expert will be along shortly to tell us (for the 100th time) how 3.2 Rangers melt pistons :lol: :lol: :lol: :lol: :lol: To be honest I was half expecting this ...
by Stuartbrown06
Mon Jun 04, 2018 8:11 pm
 
Forum: Technical Problems & Questions
Topic: 2014 Mk8 2.2 engine removal/rebuild
Replies: 6
Views: 8076

Re: 2014 Transit Custom - Broken Piston

i fooked my old hilux up by running it low on oil crank and cam were good just put new set of standard bearings in but a couple of pistons melted to the bore that had those spray things under the pistons the dude i got to machine the block said i was a knob for running it low on oil and that ...
by bigjohnthomas
Sat Dec 02, 2017 10:48 pm
 
Forum: Transit Custom
Topic: 2014 Transit Custom - Broken Piston
Replies: 31
Views: 8169

Re: Starter issue

... the engine,,, the plastic coating on the cable next to the crimp may melt or smoke. the thick positive lead from the battery should go direct ... or very rarely the engines siezed solid or got water on top of a piston.
by ricc
Sun Dec 11, 2016 10:54 pm
 
Forum: Mk 3, 4 & 5 - Second Generation Transits
Topic: Starter issue
Replies: 31
Views: 6832

Re: F9da to a kkda

... give it a good thrashing and see what happens, if anything me thinks a piston crown melt is likely outcome in long run. Will report back
by Casper01277
Mon Dec 21, 2015 5:32 am
 
Forum: Transit Connect
Topic: F9da to a kkda
Replies: 6
Views: 1888

F9da to a kkda

... to effect performance in a massive detrimental way? Is it going to have piston melt down on the motor way? The big end journals/bearings are the same size so should be able ...
by Casper01277
Sun Dec 20, 2015 7:18 am
 
Forum: Transit Connect
Topic: F9da to a kkda
Replies: 6
Views: 1888

Re: Retrofitting a 2.0 Mtdi engine in a 2.2 Mk7 FWD

You are mk7 diniers

There's 3000 million squillion billion trouble free mk7s out there
Do you really believe that evey one of them is going to melt a piston?
Mega lolzzzz
by bigjohnthomas
Mon Aug 10, 2015 10:26 am
 
Forum: Mk6 & Mk7 - Third Generation Transits
Topic: Retrofitting a 2.0 Mtdi engine in a 2.2 Mk7 FWD
Replies: 668
Views: 107390
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