No turbo after head gasket change...

[NiftyNev]

Any thoughts?

Yes! Take some pics. I and others have no idea what you are talking about.

BTW, code 14 is Timer Control Valve. It could be clogged filter in the pump, incorrect timing or a number of things.

You have had the head gasket changed so there's many things that if done wrong can cause problems. We need more of an idea where to look. I suggest check the timing first.

Nev

[Bathafarn]

Now all hoses are correctly positioned I am no longer getting any warning light come up - but still no turbo. I took the car to a mechanic who removed the air intake pipe from the air inlet elbow and with the aid of a bendy camera and the engine running at normal tickover speed we saw that the turbo is not spinning at all. I guess this means that the turbo bearings have siezed (unlikely as it was fine prior to head gasket change) or a foreign body has somehow found its way into the system. I took off the throttle body inlet pipe and there was nothing in there, and there was nothing in the inlet elbow either. I will have to take the exhaust manifold off next to check in the turbine housing next, but to be honest I am getting a bit tired of constantly being at the job. If there is nothing there I suppose it means taking off the turbo and checking for free movement and if that is fine I am back to square one! Can someone just confirm that with the engine ticking over that the turbine shaft should be rotating, albeit not at full speed.

[darkdezigns]

i would imagine so,no where near full speed,but it wud be moving

[BUSHWHACKER]

As long as there is exhaust gasses present, i.e. engine runing, the blades will spin.

[MattF]

I guess this means that the turbo bearings have siezed (unlikely as it was fine prior to head gasket change)

If you suffered coolant loss before the gasket was done, there's always the chance that the coolant flow around the turbo could have been compromised.

[Bathafarn]

There was no coolant loss immediately prior to the head head coming off and the turbo was functioning normally before this piont. I take your point though, as there was evidence of the radiator being treated with radweld etc. over the years, it would be natural to assume that other parts of the system could have been compromised by its addition. I have to assume that this is a woe I have brought upon myself with shoddy workmanship. I'll pull off the exhaust manifold to check for foreign bodies and if there are none I'll have to remove the turbo for closer inspection. Would I be able to tell if the turbo is OK by removing the intake elbow and trying to give the turbines a manual spin? I should at least be able to tell if the bearings are seized or if there is probably just an uninvited gueat in my turbo. Any thoughts on this?

[coolsv650]

There was no coolant loss immediately prior to the head head coming off and the turbo was functioning normally before this piont. I take your point though, as there was evidence of the radiator being treated with radweld etc. over the years, it would be natural to assume that other parts of the system could have been compromised by its addition. I have to assume that this is a woe I have brought upon myself with shoddy workmanship. I'll pull off the exhaust manifold to check for foreign bodies and if there are none I'll have to remove the turbo for closer inspection. Would I be able to tell if the turbo is OK by removing the intake elbow and trying to give the turbines a manual spin? I should at least be able to tell if the bearings are seized or if there is probably just an uninvited gueat in my turbo. Any thoughts on this?

AAAAAAAAAAAAAAAGGGGGGGGGGGGGGH HHHHHHHHHHHHH!

Radweld, I hate the stuff, It's possible that it has comprimised the coolant feed. If you take off the pipes the turbo blades should spin, it should not be tight.

This is a really daft question and dont think i'm being flippant, but have any nuts or bolts gone missing? On a couple of occaisions I have nearly lost something down the ports into the turbo

[Bathafarn]

Its definately not a daft question unfortunately. My style of mechanics is a bit like a biblical story - feeding the five thousand and all that. I thought for years it was normal to finish a job with a spare pocketfull of nuts and bolts, none of which fitted holes that even I knew were important!

I have already checked the air pipe termination point from the turbo to the inlet manifold and the compressor pipe termination point leading to the air box. I'll be checking the exhaust manifold collector next. So if I take the compessor elbow off (2x12mm nuts) I should be able to give the turbine a manual spin without causing damage?

[MattF]

You should be able to see/reach the turbine blades just by taking the inlet elbow off.