Technical I found this piece under my car. Wonder what it is

Pronja · Jan 19, 2020

Hey guys,

I was about to drive this morning. When I started the engine, the car did not start on the first attempt, only on the second. And I noticed that the clock and mileage were reseted, just like if the battery was disconnected. When I get back, I found this on the ground where the car was parked. Now I am wondering what the hell is this and if it's related to the problem.

Eklipze3k · Jan 19, 2020

Welcome to the forum

Looks like a coolant pressure cap, if you're not sure where yours should be, upload a picture of your engine bay.

varesecrazy · Jan 19, 2020

Pronja said:
Hey guys,

I was about to drive this morning. When I started the engine, the car did not start on the first attempt, only on the second. And I noticed that the clock and mileage were reseted, just like if the battery was disconnected. When I get back, I found this on the ground where the car was parked. Now I am wondering what the hell is this and if it's related to the problem.

Yes.. its the cap on the coolant bottle.

Or at least it was

Look here for location:

Thankfully its a VERY common part.. so easy to find another..

But thats broken!!

I do wonder if the engine has a problem

Check the oil and coolant levels !!

varesecrazy · Jan 19, 2020

Weirdly its not simple to find a photo of the cap in place..

Its high up under the cars bonnet

With bonnet open..looking at engine:

Either by your left knee

Or on the same side.. but further back

A similar layout: Blue cap

https://www.fiatforum.com/cinquecento-seicento-guides/354601-how-mpi-8v-c526-gearbox-swap.html?p=3522827

nitramtpr · Jan 20, 2020

Cap is bottom left on top of the radiator:

varesecrazy · Jan 20, 2020

Thats a FIRE petrol engine layout.

( thanks for the pic..and labels)

Technical I found this piece under my car. Wonder what it is

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