Had an email this week from James, who is having problems with his Land Rover Defender TD5 overheating. Here’s the email:
Drove around for a day, then on the way back the same happened again.
Took it in garage and they said heat gasket had gone, so had the head skimmed, replaced the gasket, also replace the radiator, thermostat, water pump, replaced oil and filters and had a pressure test with no exhaust gases and bloke tested with no issues found.
No I’ve taken it back from the garage as cost was going high and you can drive it normal but as soon as you give it some acceleration it blows out the top of the expansion tank.
I’m after some suggestions of what else to check?
Do you think it could be a blockage in the heater matrix?
Oh, no pipes are leaking..
Can any of you readers help out James with some suggestions as to what might be causing the problem?
My initial thoughts were cracked head, but some of you serious mechanics out there might be able to shed some more light on the situation.
Leave your comments below, or you can email me, and I will pass them on to James.