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Crazy squealing/grinding sound on start up

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

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marklawder
Posts: 17
Joined: Sat Jan 19, 2013 5:53 pm
Year and Model: 1995 850
Location: USA

Crazy squealing/grinding sound on start up

Post by marklawder »

I will try and describe what is going on, but this video explains it all. On start up I get this obnoxious squealing or grinding sound for 10-20 seconds then a metallic, hollow, "ping" or "shunk" and it disappears (ping sound at :23 in the video). I thought this was belt related, but why would it go away like it does? This is a 1995 850 (not a turbo). Any help is appreciated. Thanks. Oh yea, ignore the red fuel line, I did that a few years a go and it hasn't ever been an issue. :lol:



www.youtube.com/watch?v=ttGoQaDxCHA
ed7
Posts: 205
Joined: Fri Sep 03, 2010 3:32 am
Year and Model: V70XC 2001, 1998
Location: Lansing, Michigan

Re: Crazy squealing/grinding sound on start up

Post by ed7 »

The pinion gear is still engaged with the flywheel when it should retract.
This starter is in need of replacement. The bushings are worn and is beyond repair.
Ed
marklawder
Posts: 17
Joined: Sat Jan 19, 2013 5:53 pm
Year and Model: 1995 850
Location: USA

Re: Crazy squealing/grinding sound on start up

Post by marklawder »

Hi ed, thank you for your diagnosis. I replaced the starter and the sound is no more, car seems to be running fine.
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rspi
Posts: 7278
Joined: Sat Nov 05, 2011 10:40 am
Year and Model: 850 T-5R Wagon
Location: Albuquerque, NM
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Re: Crazy squealing/grinding sound on start up

Post by rspi »

You guys are awesome. Go Ed.
'95 855 T-5R M, Panther - 22/28 mpg
'98 S70 GLT, Lil' Red 25/32 mpg
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Volvo's of past: '87 740 GLE, '79 262C Bertone, '78 264, 960's, '98 S70 GLT, '95 850 T-5R YellowVolvo Repair Videos
gswede
Posts: 141
Joined: Mon Feb 28, 2011 12:44 am
Year and Model: 850 R 1997
Location: Norway

Re: Crazy squealing/grinding sound on start up

Post by gswede »

do yourself a favour and change the seal on the oil filler cap. Will make for less grime in the hood and better smelling interior..
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