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[850] Killed blower motor with hammer?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

ToriWhite
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Volvo Repair Database [850] Killed blower motor with hammer?

Post by ToriWhite » Sat May 23, 2020 5:45 pm

I was hammering the fan blade back onto the axel of the blower motor when I noticed the motor bound up for some reason. Was nearly free spinning, merely 20 hammer-blows to the butt ago. Any thoughts? Anyone aware of any guides on how to pull apart / restore these guys?

After a lot of unnecessary headache, I finally got my blower motor / resistor trouble-shot and squared away.. new resistor came in the mail, everything working out just fine.
But before I put that knee-bolster back into place.. why don't I put some lube on, just a little bit for the road, y'know?
Pull the motor back out, prop it on 2x4 and tap the 'squirrel cage' fan off with hammer and lube up the two bearings, top and bottom with a bunch of white lithium. Flip it over and hammer the butt of it to get it back into the squirrel cage.. at first it feels like I hammered it too far- but no, it's not rubbing. For some reason, hammering on it's butt, - it lost ALL looseness. A lot of black dust was coming out, too.

I was so close! I should've just been happy with a noisy motor.. :oops:

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jreed
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Re: [850] Killed blower motor with hammer?

Post by jreed » Mon May 25, 2020 6:24 am

I know that feeling...
I haven't tried taking apart the blower motor. The closest description I could find here is:
viewtopic.php?t=28203&p=125619
Another good option might be to get one from the junkyard or buy a rebuilt or new one. I bought a rebuilt one a few years ago when my old motor started squeaking all the time even though I had removed it and oiled it. It has been working fine so far.
1997 855 GLT (Light Pressure Turbo) still going strong. Previous: 1986 240 GL rusted out in '06, 1985 Saab 900T rusted out in '95, 1975 Saab 99 rusted out in '95, 1973 Saab 99 rusted out in '94

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ZionXIX
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Re: [850] Killed blower motor with hammer?

Post by ZionXIX » Mon May 25, 2020 6:32 am

I didnt have any issues after hammering my fan blade onto a new motor. I made sure the shaft was braced against a work bench. I hammered the fan onto the motor, not the motor into the blade.

ToriWhite
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ToriWhite

Re: [850] Killed blower motor with hammer?

Post by ToriWhite » Mon May 25, 2020 1:16 pm

ZionXIX wrote:
Mon May 25, 2020 6:32 am
I didnt have any issues after hammering my fan blade onto a new motor. I made sure the shaft was braced against a work bench. I hammered the fan onto the motor, not the motor into the blade.
Yeah, I really wasn’t thinking, that’s obviously the right way to do it- hammering the fan onto the motor, not the other way around..

Fingers crossed it’s just some graphite(?) dust or chunk dislodged and binding.. I’m going to gently tap the fan back off and see if I can shake/spin anything loose, give it a visual once over to see if anything looks obviously amiss.

My fear is the hammering busted one of the bearings, which would K/O an otherwise fine motor since I don’t have the machinery to remove / replace those bearings, unless I’m mistaken on thinking you need a press, and it can be done with a hammer :lol:

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RickHaleParker
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Re: [850] Killed blower motor with hammer?

Post by RickHaleParker » Mon May 25, 2020 1:26 pm

--------
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.
Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.
Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
Platform P2 2004 S60R, B2524T4, AW50/51 AWD, Bosch Motronic 7.0, BorgWarner K24 turbocharger, Plant Ghent Belgium.

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