In reply to a message from mphilleo sent Tue 14 Dec 2010:
As Win says, the ABS normally stays on for a you start the
engine because at that point the ABS accumulator may not yet
be up to operating pressure.
Just for your future reference, I’ve posted this a few times
in the past to show what happens on my car - and it is quite
normal:-
Teves Brake Boost / ABS pump performance
Typically, when my car has been sitting unused so that any
residual pressure in the accumulator has long since
dissipated, on turning on the ignition (without starting the
engine), the pump motor runs, the ABS light extinguishes
after 32 seconds, the ‘BRAKE’ light
extinguishes after 35 seconds and the pump stops after 42
seconds.
With the ignition still on, the pump will re-start on the
second application of the brake and run for 3 seconds to
recharge (‘top up’) the accumulator.
With the ignition then switched off, it usually takes about
30 applications of the brake before the pedal �goes hard’
when servo assistance is lost.
As regards your oil leaks, DO NOT over-tighten the cam cover
screws. At best you will distort the soft rubber gasket and
at worst you may warp the cam cover itself. When you do
replace that gasket, be sure to get an OEM gasket set
including the six plug-well seals and the half-moon plugs
for the cut-outs in the rear of the head.
A favourite place for oil leaks lower down are the oil
cooler feed and return pipe ‘O’ rings in the oil cooler
adaptor behind the oil filter base. There is no gasket on
the sump / oil pan.–
The original message included these comments:
The reason I was posting was a question regarding the ABS
lamp. I started the car up this morning and all the lights
flashed and went out as usual. The ABS lamp stayed on about
5 or 7 seconds after the car started and then went off. I
I have a good-sized oil leak, possibly coming from the oil
pan gasket, though I’m not sure. The valve cover gasket also
should be replaced, though the bolts for it were hardly
torqued down at all…they were hand loose!
–
Bryan N, '91 Sovereign 4.0 L, RHD
Cambridgeshire, United Kingdom
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