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Re: Is there any warning lights on? Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: Re: Is there any warning lights on?, dunstan, Mon, 4 Jul 2005 10:19:12 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The ABS equipped 900 doesn't have an brake booster per see but the accumulator is the booster (power brake storage tank).
As more the Nitrogen filled accumulator gets depleted, the harder the brake pedal is to push down.
When all Nitrogen is gone, the pedal is rock hard but also the two warning lights stay on the whole time.
Sometimes unscrupulous sellers remove the ABS warning lights to cover up the problem. That's why it is important to make sure the lights comes on when the key is turned on and that they go out after some seconds.
It can take up to 30 sec before the ABS lights goes out after engine is started. That is due to that the hydraulic pump needs to pump up pressure to overcome the Nitrogen filled accumulators inside pressure.
Anders
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