is the block cracked

fingers · 27th July 2010, 11:04

ive just had the head gasket done on my 1.8 petrol lpg 75 tourer,and now it over heats and presurises and water forces its way out of the rad cap, the garage that did the work tell me that the block must be cracked. any opinions wuld be welcome

Departed 32016 · 27th July 2010, 11:12

Quote:

Originally Posted by fingers

ive just had the head gasket done on my 1.8 petrol lpg 75 tourer,and now it over heats and presurises and water forces its way out of the rad cap, the garage that did the work tell me that the block must be cracked. any opinions wuld be welcome

did they do a compression test?

fingers · 27th July 2010, 11:20

they didn.t say, they put a new thermostat in it because all the pipes were red hot and presurised but when the water comes out the rad cap its cold. ive lost a bit of confidance in the garage to be honest

drewbie · 27th July 2010, 11:33

Have you got a PRT (pressure relief thermostat), plastic t piece near bottom of rad, cos if the garage have fitted an old type stat you will overheat, there should be just a dumby in the old housing.

fingers · 27th July 2010, 11:42

yes , that is what they replaced, the thing is i drove the car for a couple of months with the head gasket blown and it never presurised or over heated and to be honest didn.t drive too bad, then when i got the money together, got the gasket done and since have had this presurising and overheating problem, why the water that comes out should be stone cold though is beyond me, im no mechanic so when the garage tell me that the block is cracked then i cant really question it

andy willi · 27th July 2010, 14:59

very rare for block to crack as it has wet liners i would think its a liner not seated after headgasket done if the engine is turned over when the head is off the liners move and the seal is broken you should remove the liners when doing the head and reseal them it is not a big job and it should be done every time a headgasket is replaced i do

27th July 2010, 11:04	#1
fingers Newbie rover 75 tourer Join Date: Feb 2010 Location: lincoln Posts: 26 Thanks: 0 Thanked 0 Times in 0 Posts	is the block cracked ive just had the head gasket done on my 1.8 petrol lpg 75 tourer,and now it over heats and presurises and water forces its way out of the rad cap, the garage that did the work tell me that the block must be cracked. any opinions wuld be welcome

27th July 2010, 11:20	#3
fingers Newbie rover 75 tourer Join Date: Feb 2010 Location: lincoln Posts: 26 Thanks: 0 Thanked 0 Times in 0 Posts	they didn.t say, they put a new thermostat in it because all the pipes were red hot and presurised but when the water comes out the rad cap its cold. ive lost a bit of confidance in the garage to be honest

27th July 2010, 11:33	#4
drewbie Loves to post Rover 75 Club SE 1.8T 03 plate. Join Date: Jan 2009 Location: Tenterden Posts: 277 Thanks: 28 Thanked 41 Times in 37 Posts	Have you got a PRT (pressure relief thermostat), plastic t piece near bottom of rad, cos if the garage have fitted an old type stat you will overheat, there should be just a dumby in the old housing.

27th July 2010, 11:42	#5
fingers Newbie rover 75 tourer Join Date: Feb 2010 Location: lincoln Posts: 26 Thanks: 0 Thanked 0 Times in 0 Posts	yes , that is what they replaced, the thing is i drove the car for a couple of months with the head gasket blown and it never presurised or over heated and to be honest didn.t drive too bad, then when i got the money together, got the gasket done and since have had this presurising and overheating problem, why the water that comes out should be stone cold though is beyond me, im no mechanic so when the garage tell me that the block is cracked then i cant really question it

27th July 2010, 14:59	#6
andy willi I really should get out more....... PRE LAUNCH 75/ZT 190/XJ 550 Join Date: Jan 2007 Location: carcroft doncaster Posts: 2,866 Thanks: 101 Thanked 680 Times in 342 Posts	very rare for block to crack as it has wet liners i would think its a liner not seated after headgasket done if the engine is turned over when the head is off the liners move and the seal is broken you should remove the liners when doing the head and reseal them it is not a big job and it should be done every time a headgasket is replaced i do