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Now with pictures!
December 8, 2011, 10:40 am
from cold. After its hot the noise is gone.
It sounds as though it is coming from the drivers wheel area I could be
wrong or it could be vibrating possibly form somewhere else masking its true
location.
How do I determine what this sound is or where it is coming from.
Its definitely a groaning noise not a a squeak and only present during pull
of when cold till the car gets to tems, it then disappears.
Any ideas what it could be or how I proceed from here.
I'm armed with a basica tool kit and a haynes :)
Re: Groaning when pulling away
I picked up a coffin from my mate, who BTW was an undertaker, and the
coffins were display units which were NLA so they dispersed of then -
solid timber quality stuff.
Anyway placed one in the back of my Toyota Corolla van and had the
tailgate open as it was too long,
Someone did see me, but the week prior my mother in law had died, being
an inquisitive person asked about the coffin in the back. All I said
that I was taking her for a drive.
Re: Groaning when pulling away
Thats an interesting idea, added to list to check, thanks.
If I go in a straight line an it makes the noise or doesn't what would that
indicate.
Although not sure if thats is relevant the pump could still be on its way
otu possibly.
I had a look through the haynes at the process of removal and it looks
simple enough (famous last words) but it does mention a special tool needed,
I'm sure I can improvise something like Mgyver.
Re: Groaning when pulling away
Would that only produce the noise when cold.
Definitely worth having a look as that looks relatively cheap and straight
forward.
I know sounds like this can't be good and don't want to ignore it before its
call the RAC time so I think its best to start poking around tomorrow. Its
just difficuling try and pin point such noises/faults thats always the
hardest part I guess well not always from past experience.
What we do know is it occurs when cold, and when going forward only and for
only 10 mins till the cars up to operating temp. So I guess as Adrian
mentioned a possibl cause could be the PAS pump, the ARB. I wonder would a
worn bush cause this perhaps causing the wheel at slow speed wobble in to
causing disc and pads contact. Giving the wheel a wobble may help figure if
the bush is worn, but I think they squeal and are noticeable on turning ?
Re: Groaning when pulling away
Try bouncing the car up and down at the front and rear before starting
and listen for any groan, or noises.
I've known bushes to squeak when old, lubing them with a silicon grease
has worked for me. YMMV.
Ah, I didn't notice that.
Then it would also do it in reverse
Have you got wheel wobble too?
regards
David
Re: Groaning when pulling away
Apologies for the delayed response I've been down unwell.
I've inspected the arb bushes and they're is no gap around them and they are
very tight fitted on just looking at them, no play. Bouncing the car
produces no noise at all, bounces straight back up happily.
I haven't checked for wheel wobble. I guess thats a case of jacking it up
again and wobbling it at 12-6 or 3-9 positions to see if there is any
play... are you thinking wheel bearing ?
Thanks for the help all.
Re: Groaning when pulling away
Turns out it is the PAS pump, the mechanic thinks its because of the cold
and the oil is thicker so the pump is working harder or the bearings are
becoming worn. But he tried to wobble the pulley and there was no movements
so he thinks its best to leave it untill it makes the noise all the time as
its no very obvious the sound when warm. I have noticed on warmer days the
noise is not there.
He did mention the PAS oil was black/burnt and needed changing it should be
a oily red colour for a 04 focus petrol.
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