I have noticed a rattle coming from the engine bay when starting. Its a MY00 and only rattles when engine is cold after that it goes away. The rattle lasts about 1-2 seconds at the most. Ive gone over the engine bay and nothing seems loose so has got me thinking its internal

What could it be? bearing? piston?

Thanks

checked your oil lately?

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MY93 Impreza GX 1.8L, 0hp, 0nm

oil is all good...........

i've really got no idea so this is just a guess to brainstorm: something to do with the starter motor? I don't know how the starter motor works or how long it stays on for or anything, but logically since it (the ound) lasts only a few seconds when the engine starts up then it must be someting that could be straining to get going... eg starter motor. unfortunately something that may disprove my theory is that you say it only happens when the car/engine is cold.

you say it comes from the engine BAY and only lasts a few seconds. get someone to start the car and get your ear in there maybe... see if it's the engine itself or something else.

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i talk to one of the guys in service at melville subaru, he warned me about a bottom end rumble, at start up. quite common i here, how many k"s on the clock?

as far as the starter goes, as they are mounted quite high, try (carefully ) placing a screwdriver on the solenoid and rest you ear on the handle. then have someone start the car. if its the starter you will hear it.

There are so many moving parts that require clearances, that can have excessive wear that it is impossible to say what would be causing the rattle...

It could be a number of components from big ends to cam buckets to piston slap etc, etc, etc...

You really need someone with some specialist listening equipment to be able to pinpoint the cause, or a good ear and knowledge. Try a respected workshop...

yeh i get that as well but i have leaking rocketcovers lol as soon as i put oil in there all good the noise goes away

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ive got in booked in for a diagnosis... but its bugging me and not being mechanically sound i just want to know....
about 110 000 kms
rocket cover leakage is minor....
mechanic phone diagnosis bearings, pistons...
but did get someone to start it and sounds like coming from part circled in the pic whatever it is.... first pic general area and second the part possibly making noise..... what is the part?

Thats the starter motor

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