p38 dse overheat problems PLEASE HELP

I

ianrod75

New Member

Posts

12

• Nov 9, 2009

• #1

Hi please can anyone help??
i have had a big problem with a overheated engine.(2.5 bmw)
My problems started with a split radiator which i have replaced.Then new water pump,thermostat,cap fitted and still overheating so i bought a new head at the cost of £570 used geniuine head gasket but guess what?
It is still presurising the engine and over heating. When running the water pipes goe hard and it starts to overheat. I have replaced the rad because i thought that was faulty as a few have suggested but no differance.
Could it be the block with a crack in it???
I have ran out of money and could really do with some ideas as to what it could be,
If it is the block can anyone help with one or a complete engine that i could do a deal with for my new head?
thanks in advance for any help
ian

 

S

swwrob

New Member

Posts

131

• Nov 9, 2009

• #2

think you answered your own question tbh chap, if you have done everything, cracked block is certainly on the cards

 

I

ianrod75

New Member

Posts

12

• Nov 9, 2009

• #3

so it is possible that could and does happen on the diesel. i just dont know what to do next.

 

j the range

New Member

Posts

3,927

Location

liverpool

• Nov 9, 2009

• #4

start with making sure you got no air locks

 

kernowdragon

Well-Known Member

Posts

1,918

Location

Wickford, Essex

• Nov 10, 2009

• #5

An air lock might explain the overheating, if the coolant's not flowing right, but air in the system would tend to hide the over pressuring, cause the air can compress where as water can't. Best to check it as a first step though, otherwise could be that new head/gasket haven't seated properly, or worst case cracked block. Don't forget that hoses will probably be harder than before as new pump=higher pressure. How hard are they, just quite stiff or bulging?

 

B

Bruellie

New Member

Posts

49

• Nov 10, 2009

• #6

I would definatly say u've got an air lock mate no doubt in my mind

 

I

ianrod75

New Member

Posts

12

• Nov 11, 2009

• #7

can someone explain the best way of getting rid of airlock incase i am doing it wrong.
thanks
ian

 

I

ianrod75

New Member

Posts

12

• Jan 10, 2010

• #8

all sorted. took it all apart again and replaced head gasket with a landrover geniune part.and been running fine for over a month.
must have been a faulty gasket,
thanks for all the responces i got.
got there in the end.