405 1.8i coolant problem - help please

Hi All,
All the coolant fell out of the engine today!
It turns out that the short stub of metal pipe that protrudes from the
thermostat housing (not the top cover) has corrodes to nothing. It looks to
be a 20mm diameter pipe about 40mm long with a rubber hose going to the
heater input.
Is this a replacable part or does the whole casting have to be replaced.
It does not look like it is cast at manufacture and so may be 'glued' in and
so replaceable.
I've tried to remove the casting and taken out all 6 bolts I can find but it
only loosens but will not come off. Is this part of the bearing for the
camshaft?
Haynes says that one of the bolts screws into no 1 camshaft bearing housing.
My engine has the breakerless, distributor less ignition so there is no
drive off the camshaft to the ign system.
Any tips welcome
TIA

Bob

 

have you completely removed the thermostat top cover bob

 

Mindwipe wrote in message

Hi Mindwipe,

Thanks for your reply

Things have moved on a bit. I could not remove the coil pack as the screws
were siezed in the alloy casting and the torx heads are really soft. I had
removed 6 x 11mm af Hex bolts from the casting but I reckon there is one
more under the coil pack that i cant get to.

I have now put all the bolts back and where the heater hose fitted in I have
cut a thread 1/2" BSP as the hole is just the right size.

I then took a piece of 21mm AF hex brass bar and cut a1/2" bsp thread on one
end and a ridged hose connector on the other with about 3/8" in the middle
left as a hexagon for a spanner. A hole down the middle completes the new
hose adaptor.
I have fitted this with a few turns of PTFE tape and all is water tight once
again.

The fundamental problem is that the original tube is steel and fitted into
aluminium. Just add water, and corosion will start due to mixed metals.
Presumably the designers at Peugeot know this but leave it as a time bomb
toboost the profits of repairers!

Do you know how a dealer would repair this? Does it mean a whole new casting
at huge cost?


Hope all is well with you - still working on Fords?

I'm considering buying a Cmax- any thoughts? Main criteria are reliability
and ease of servicing at home.

Regards

Bob

 

not with fords anymore bob
doing quality testing on other peoples work at an alfa romeo/fiat dealer
better money less wear n tear on me and def cleaner
as a rule the problem can also be caused by the anti freeze itself which
goes acidic with age
why i recommend a 2 yearly change but if in doubt just use litmus
having said that you have probably just changed yours now anyway
the torx screws on the coil packs are a pain i usually drill the heads
off any that wont loosen then you can heat the housing slightly at the
bottom and remove with vice grips(or similar)
dont buy a cmax its the worst ford so far even crapper than the galaxy

 

Mindwipe wrote in message

Thanks Jeff.

Good luck in the new job.

Bob