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Squeaky blower motor
Topic Started: Wed May 9, 2018 9:57 pm (154 Views)
Tommy190
Newbie
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I've got squeaky blower motor. I see there is an excellent guide to removing the motor on the forum and I presume the squeak is from dry bearings on the motor.

My question is,

Once the motor is out whats the best way to lubricate the bearing surfaces and what is the best lubricant?
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Daliscar
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Always On The Ball
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Light machine oil.
Itís a fairly simple job, just mind you donít bust the black plastic grille as it can be a bit brittle.
You might find that the most effective way of stopping the squeak is to replace the motor.
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stwat
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If there is any play in the bearings, you may as well replace it whilst you have it all stripped apart.
Edited by stwat, Wed May 9, 2018 10:59 pm.
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Tommy190
Newbie
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Ok.will have a go at relubing 1st. At least it is fairly easy to get to, I've had to dismantle dashboards on some vehicles!
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Greek Taxi
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More than part of things
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Daliscar is right about the plastic panels being brittle, and they are a sod to get out and put in. Don't do the job if you've not got much time or you'll lose your sanity.
I got a cheap blower motor from Euro Car Parts for my old 190D and it was a bit of a noisy thing, so I got what I paid for.

My next bit of maintenance is a dash-out job - heater matrix needs replacing. I've done one before, and that's why I'm putting it off. Life's too short!
Edited by Greek Taxi, Thu May 10, 2018 11:34 am.
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aemt
Serial 190E Owner
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Easiest just to swap the motor out. Not expensive and takes about 45 minutes.
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MercManCraig
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Craig
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Replacing it is all well and good but the replacement motors are no where near the quality of the originals. It might be different over the course of the models but on my 1993 non aircon car the blower motor motor simply had two phosphor bronze bushes at each end. If the car sits unused for an extended period like mine had in high humidity the built up corrosion between metals makes a racket from there forward. Mine was actually completely siezed to the shaft so I had to remove it and work it loose with WD40. once it got moving though a quick wipe and a squirt of light oil on each end and it's been whisper quiet ever since.
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Tommy190
Newbie
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Agreed craig re pattern parts, I'm going to attempt a repair first. Really want to try ro keep it original or only replace with merc parts. The reason these cars have such a good rep for reliabilty is because of the quality of the original engineering.

Greek taxi, which plastic panal do I need to take care with?
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Greek Taxi
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More than part of things
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The honeycomb leaf-catching thing that runs the width of the bulkhead, beneath the wiper. It has me swearing every time.
Edited by Greek Taxi, Thu May 10, 2018 5:55 pm.
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