forbes_small@[EMAIL PROTECTED]
wrote:
> On 25 Apr, 00:33, pws <pwshel...@[EMAIL PROTECTED]
> wrote:
>> forbes_sm...@[EMAIL PROTECTED]
wrote:
>>> Just started up my 1996 1.8 MX5 after its winter rest.
>>> Noticed after few minutes smoke coming from engine bay through
>>> bonnet,opened bonnet and traced source to what I think is the EGR?
>>> pipe on the exhaust manifold,it seems to be quite oily on the ouside
>>> which is causing the smoke when the engine becomes warm.
>>> Anyone any ideas Thanks
>> Can you tell if anything is dripping the oil from above?
>>
>> One part that comes to mind immediately in this area is the cam angle
>> sensor, which has a seal that is prone to leak.
>>
>> I would take a look at the rubber heater hoses and see if they have oil
>> on them. If so, the CAS seal is probably bad and it is a cheap and
>> fairly easy replacement.
>>
>> Good luck!
>>
>> Pat
>
> Thanks Pat I will have a look over the weekend
>
> Forbes
If the CAS O-ring has been leaking, also replace heater hose no.1 - it
will be perished. Lots of people fix the oil leak and then suffer a
catastrophic coolant loss (clouds of steam) a few months later.
If you re-use the OEM hose clips, you can replace the heater hose
without removing the coil pack or CAS, but it's fiddly and you'll need
some fairly long pliers.
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