1991 500 sl alternator squeal.

[pancholi]

last winter (feb 2006) when the car was started first thing in the morning a high pitched squeal would eminate from the engine bay.this was traked down by april to a worn alternator, by which time it had stopped as i did not need the headlights/heater/heated seats...... i exchanged the unit 2 months ago and as winter has now closed in it has made no difference. ie the squealing is still there until the car warms up (up to 10 minutes). i am driving around without the heater and turn of the lights at the first opportunity. any guidence please

 

[television]

last winter (feb 2006) when the car was started first thing in the morning a high pitched squeal would eminate from the engine bay.this was traked down by april to a worn alternator, by which time it had stopped as i did not need the headlights/heater/heated seats...... i exchanged the unit 2 months ago and as winter has now closed in it has made no difference. ie the squealing is still there until the car warms up (up to 10 minutes). i am driving around without the heater and turn of the lights at the first opportunity. any guidence please

Normally the sqeeking is the belt slipping when started, I have only ever known this to be the case. If it also does it on full lock then it is the belt too lose

Malcolm

 

[stats007]

Loose or worn - either the pulley or belt. They're fairly accessible so should be easy enough to check.

You don't want a new alternator - they're around £500 new.

 

[pancholi]

to late!!!!! put one in 2 months ago!!!!
after being told by 2 garage owners it was ok.
its going in to a merc dealership for 4x wheel alignment i will ask them to check it then.
thanks

 

[stats007]

You dont want to put it into a dealers for 4-wheel alignment - they'll sting you for the best part of £300!