P38A Regular tapping noise from engine bay

les148 · Jul 23, 2020

Hi All
2001 P38 4.6 V8 auto
I got home yesterday from a run and heard a regular knocking noise from engine bay, I turned the engine off and it stopped, turned on the ignition without running the engine and it started again. It appears to be coming from the sperical ball area for the brake system. However cannot feel the knocking which sounds loud enough to feel. Just before it happened a I got a low brake fluid warning, checked all ok. Advise would be welcome. Thanks Les

tomcat59alan · Jul 23, 2020

les148 said:
Hi All
2001 P38 4.6 V8 auto
I got home yesterday from a run and heard a regular knocking noise from engine bay, I turned the engine off and it stopped, turned on the ignition without running the engine and it started again. It appears to be coming from the sperical ball area for the brake system. However cannot feel the knocking which sounds loud enough to feel. Just before it happened a I got a low brake fluid warning, checked all ok. Advise would be welcome. Thanks Les

Get you ,having a knocking in your sperical ball area

tomcat59alan · Jul 23, 2020

Did the fluid level drop so much you got air into the system?

kermit_rr · Jul 23, 2020

More to the point, why did the level suddenly drop?

tomcat59alan · Jul 23, 2020

kermit_rr said:
More to the point, why did the level suddenly drop?

Don't worry a telegraph pole stopped him.

brianp38dse · Jul 23, 2020

I would be checking for leaking brake fluid, check the pipes at the back as they rust as it sounds like fluid has leaked level has gone down and air has got in to the pump.

myfirstl322 · Jul 23, 2020

kermit_rr said:
More to the point, why did the level suddenly drop?

Much more to the point, OP joined in 2007 and his first post was today...

kermit_rr · Jul 23, 2020

myfirstl322 said:
Much more to the point, OP joined in 2007 and his first post was today...

maybe it took a while to get home

myfirstl322 · Jul 23, 2020

kermit_rr said:
maybe it took a while to get home

I'm now imagining 13 years of trying to thumb a lift.

myfirstl322 · Jul 23, 2020

Datatek · Jul 23, 2020

brianp38dse said:
I would be checking for leaking brake fluid, check the pipes at the back as they rust as it sounds like fluid has leaked level has gone down and air has got in to the pump.

As above ^^^^, plus check the accumulator is OK.

tomcat59alan · Jul 23, 2020

myfirstl322 said:
Much more to the point, OP joined in 2007 and his first post was today...

He can't have had no problems for the last 13 yrs,can he?

myfirstl322 · Jul 23, 2020

tomcat59alan said:
He can't have had no problems for the last 13 yrs,can he?

If so I believe there aint many possible conclusions...

It's highly possible he's a Witch therefore we should check to see if his tits are dry...me first!

les148 · Jul 24, 2020

tomcat59alan said:
Get you ,having a knocking in your sperical ball area

les148 · Jul 24, 2020

Thank you I shall invetigate

les148 · Jul 24, 2020

Datatek said:
As above ^^^^, plus check the accumulator is OK.

Thank you replace rear pipes a couple of years ago, shall check out the accumulater

les148 · Jul 24, 2020

myfirstl322 said:
Much more to the point, OP joined in 2007 and his first post was today...

and your point is ?

les148 · Jul 24, 2020

tomcat59alan said:
Did the fluid level drop so much you got air into the system?

Its still on correct level, but Ishall double check. Thanks

les148 · Jul 24, 2020

tomcat59alan said:
He can't have had no problems for the last 13 yrs,can he?

I can see you

kermit_rr · Jul 24, 2020

les148 said:
Its still on correct level, but Ishall double check. Thanks

level should be checked with the engine running, once the pump has stopped.

P38A Regular tapping noise from engine bay

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