Blue smoke on a 1.8t

__chris__ · 22nd May 2013, 10:56

I've seen plenty of posts about oil getting into diesel engines and the need to change/renew the PCV valve, bt nothing about the same situation on a petrol engined car.

Current problem is contant blue smoke and a warning yesterday of low oil pressure. Rather than just topping up the oil I'd rather investigate the problem but can't find a PCV on the Rave CD nor on the rimmerbros website. Any tips?

Craig parker · 22nd May 2013, 12:12

Your piston rings or valve stem oil seals need replacing, both big engine strip down jobs

Regards

Craig

eurorover · 22nd May 2013, 12:16

Constant blue and lots of oil usage = knackered turbo. Take the pipe off the inlet of the turbo and check how much play is in the shaft. You may find it will have lots of play

Craig parker · 22nd May 2013, 12:17

Quote:

Originally Posted by eurorover

Constant blue and lots of oil usage knackered turbo

If turbo has gone its usually white smoke isn't it

eurorover · 22nd May 2013, 12:19

Depends if the oil seal or water seal has gone. It will get worst as time goes on. the car will also start to loose power. Had a 1.8T ion last year with blown turbo blue everywhere.

__chris__ · 22nd May 2013, 13:18

So is it a case of just getting & fitting a replacement turbo unit then?

eurorover · 22nd May 2013, 15:56

If it is the tubo. You will also need to degreese the intercooler and wash out all the pipes. You should also fit new oil feed pipe. Have you checked fur play in the shaft?

Scarlet Devil · 22nd May 2013, 19:38

Just to throw a relativly easy check into the mix as was proved in my case... A compression test, it was low on no. 4 cylinder. Proved it was rings welded to the piston. Not nice to find out but at least you will know either way.

__chris__ · 23rd May 2013, 08:47

Thanks guys. That gives me something to do over the BH weekend now!

22nd May 2013, 10:56	#1
__chris__ Avid contributor 2003 MG ZT 190+,(2005 Facelift R75 1.8T SE Conny now consigned to be a donor car) Join Date: Sep 2012 Location: Sidcup Posts: 149 Thanks: 34 Thanked 4 Times in 4 Posts	Blue smoke on a 1.8t I've seen plenty of posts about oil getting into diesel engines and the need to change/renew the PCV valve, bt nothing about the same situation on a petrol engined car. Current problem is contant blue smoke and a warning yesterday of low oil pressure. Rather than just topping up the oil I'd rather investigate the problem but can't find a PCV on the Rave CD nor on the rimmerbros website. Any tips? __________________ Chris. Work on the 1.8T New pads &cs all round, Bonnet Catch Reversed, Plenums Cleaned, Renewed Selected Radiator Hoses, New Stainless Steel Twin Exhaust,Metal T-Piece, Head Skimmed and MLS Head Gasket, New Cambelt & Alternator Belt, New PRT & Water Pump, New Air Duct Hose, New Radiator, New plugs, coil packs & HT leads, Golden Radiator Resistor. Car then blew up and I gave up. Bought the ZT 190 instead !

22nd May 2013, 13:18	#6
__chris__ Avid contributor 2003 MG ZT 190+,(2005 Facelift R75 1.8T SE Conny now consigned to be a donor car) Join Date: Sep 2012 Location: Sidcup Posts: 149 Thanks: 34 Thanked 4 Times in 4 Posts	So is it a case of just getting & fitting a replacement turbo unit then? __________________ Chris. Work on the 1.8T New pads &cs all round, Bonnet Catch Reversed, Plenums Cleaned, Renewed Selected Radiator Hoses, New Stainless Steel Twin Exhaust,Metal T-Piece, Head Skimmed and MLS Head Gasket, New Cambelt & Alternator Belt, New PRT & Water Pump, New Air Duct Hose, New Radiator, New plugs, coil packs & HT leads, Golden Radiator Resistor. Car then blew up and I gave up. Bought the ZT 190 instead !

23rd May 2013, 08:47	#9
__chris__ Avid contributor 2003 MG ZT 190+,(2005 Facelift R75 1.8T SE Conny now consigned to be a donor car) Join Date: Sep 2012 Location: Sidcup Posts: 149 Thanks: 34 Thanked 4 Times in 4 Posts	Thanks guys. That gives me something to do over the BH weekend now! __________________ Chris. Work on the 1.8T New pads &cs all round, Bonnet Catch Reversed, Plenums Cleaned, Renewed Selected Radiator Hoses, New Stainless Steel Twin Exhaust,Metal T-Piece, Head Skimmed and MLS Head Gasket, New Cambelt & Alternator Belt, New PRT & Water Pump, New Air Duct Hose, New Radiator, New plugs, coil packs & HT leads, Golden Radiator Resistor. Car then blew up and I gave up. Bought the ZT 190 instead !

22nd May 2013, 12:12	#2
Craig parker Avid contributor 2003 MG ZT+ 1.8 TURBO Join Date: Mar 2012 Location: Bradford Posts: 235 Thanks: 0 Thanked 0 Times in 0 Posts	Your piston rings or valve stem oil seals need replacing, both big engine strip down jobs Regards Craig

22nd May 2013, 12:16	#3
eurorover Posted a thing or two MG ZT Join Date: Feb 2008 Location: Swansea Posts: 1,231 Thanks: 0 Thanked 9 Times in 5 Posts	Constant blue and lots of oil usage = knackered turbo. Take the pipe off the inlet of the turbo and check how much play is in the shaft. You may find it will have lots of play

22nd May 2013, 12:19	#5
eurorover Posted a thing or two MG ZT Join Date: Feb 2008 Location: Swansea Posts: 1,231 Thanks: 0 Thanked 9 Times in 5 Posts	Depends if the oil seal or water seal has gone. It will get worst as time goes on. the car will also start to loose power. Had a 1.8T ion last year with blown turbo blue everywhere.

22nd May 2013, 15:56	#7
eurorover Posted a thing or two MG ZT Join Date: Feb 2008 Location: Swansea Posts: 1,231 Thanks: 0 Thanked 9 Times in 5 Posts	If it is the tubo. You will also need to degreese the intercooler and wash out all the pipes. You should also fit new oil feed pipe. Have you checked fur play in the shaft?

22nd May 2013, 19:38	#8
Scarlet Devil Newbie MG ZT 1.8 Turbo Join Date: Jan 2013 Location: Gloucester Posts: 23 Thanks: 0 Thanked 0 Times in 0 Posts	Just to throw a relativly easy check into the mix as was proved in my case... A compression test, it was low on no. 4 cylinder. Proved it was rings welded to the piston. Not nice to find out but at least you will know either way.