Coolant leak 2.2 08 lr2. Picture attached

Jw2000uk · Oct 21, 2020

Hi, I will be investigating this more in time
But any idea where this could be coming from?

Thermostat housing
Head gasket
??

Nodge68 · Oct 21, 2020

The thermostat is sealed with an O ring type gasket, so it could be that.

Jw2000uk · Oct 22, 2020

Nodge68 said:
The thermostat is sealed with an O ring type gasket, so it could be that.

Fingers crossed, wasn't sure if it's a common area for HG fail.

kermit_rr · Oct 22, 2020

is that a plastic housing for the thermostat? check its not cracked

Nodge68 · Oct 22, 2020

Jw2000uk said:
Fingers crossed, wasn't sure if it's a common area for HG fail.

I don't think there's a problem with the HG on the DW12. Peugeot used to have HG issues years ago, but that was on their petrol engines. This Peugeot diesel seems pretty good in that department. Mine had a nut in the combustion chamber

(not my doing), and still the HG sealed tight, unfortunately the piston and head didn't fair to well, the former needed replacing,

but the latter was repaired by me.

NeilTD4 · Oct 23, 2020

I'd say thermostat. Did mine last year as it had failed, but there looked to be evidence of a very slight leak.
Fairly common for little leaks where a plastic part meets metal. Different rates of expansion and contraction...
Anyhoo,fairly easy DIY, if a little messy. Especially as I couldn't get the drain plug out of the rad
Get a Gates or Febi 'stat.

Coolant leak 2.2 08 lr2. Picture attached

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