Re: Discovery TD5 Cooling System Problem
Thanks for the info. All sounds very expensive to me. I had a Shogun before
the Disco, as such I am not accustomed to failures, just twice yearly
services... Oh well I was warned be a friend that Disco's have their own
"Peter" <firstname.lastname@example.org> wrote in message
> In message <email@example.com>, Paul
> Frost <firstname.lastname@example.org> writes
> >Can anyone offer me some advice please?
> >I have a 2000 Discovery TD5. It has done around 53K miles.
> >When accelerating air can be heard travelling through the heater matrix
> >behind the dashboard.
> >The expansion tank was nearly empty and I filled it up about two weeks
> >Today it was empty again, so I topped it up and started the engine, all
> >coolant I added immediately disappeared into the system, so I topped up
> >expansion tank again, this did not disappear. I bled the system via the
> >bleed screw in the top hose. I then road tested and have allowed it to
> >completely. The level in the expansion tank has dropped slightly, but I
> >think this is normal expansion/contraction.
> >I have only had the car since May this year, and found that one of the
> >securing the radiator was almost falling out, I have re-tightened this,
> >now suspect that someone has been here before me! The oil is in great
> >condition, with no evidence on the stick of emulsification. The engine
> >fine. There is no water on the floor when it's parked. Is it possible
> >new radiator was fitted and not bled very well? The radiator looks to be
> >much cleaner than the A/C unit, so I am wondering if it was replaced.
> >Any clues as to where about two litres of coolant may have gone?
> I remember the service manager at my local LR main dealer telling me
> that the Discovery Td5 cooling system can be difficult to bleed. I
> don't recall the details but maybe an expert will soon be along here
> with advice.
> I would also mention that I had a Discovery Td5, from new in March 2000,
> and twice experienced loss of coolant, to the extent that the expansion
> tank needed about a pint every 500 miles or so.
> The first occurrence was during its fourth year, and was cured by a new
> radiator, supplied and fitted 'free', under the LR 4th-year Approved
> Warranty I had bought at great expense.
> Then, when it was just short of 5 years old and had covered about 56,000
> miles, the level in the expansion tank again started dropping slowly.
> It turned out to be a seeping core plug and was fixed under the LR 5th
> year Approved Warranty but my dealer had to get the OK from the warranty
> company's engineer. The mechanic who did the work told me that it would
> involve removing a manifold and it was possible that bolts/studs would
> break. My dealer therefore delayed taking my Discovery in until they
> had got replacement bolts/studs in stock and someone lined up to drill
> out any broken ones. In the event, the job went smoothly.