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'99 V70 Auto, Base, 234K -Front Subframe Bushings Shot?

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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E Showell
Posts: 3067
Joined: Thu Oct 16, 2008 4:00 pm
Year and Model: V70R '06 AWD Auto
Location: Long Valley, N.J.
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E Showell

'99 V70 Auto, Base, 234K -Front Subframe Bushings Shot?

Post by E Showell » Tue Apr 21, 2020 5:27 am

So, I am getting a pronounced vibration at stoplights when in gear, that disappears when I shift to neutral.

The front lower engine mount, the one under the crank pulley, appears to be fine, as far as structural integrity goes, but was bathed in leaking oil (front cam seals?) and the front bolt was not snug. Because it had likely been marinating for a while and I believe oil and rubber don't mix, I am inclined to replace it.

The transmission torque mount is good (original), but I removed it because I assumed it was the root cause of the problem -- not true.

When I removed the transmission torque mount, the engine/transmission appears to have shifted toward the front of the car by about an eighth of an inch (enough for me not to be able to rethread the rearmost transmission torque mount bolts fore and aft).

Finally, I compared the height of the front subframe bushings (only the two forward most ones). The passenger side appears to be about and eighth to a quarter of an inch lower than the driver's side.

Preliminary conclusion is perished subframe bushings. (Upper torque rod mount previously replaced, although not particularly recently) and shows no obvious signs of bushing failure.

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'99 S70 NA FWD Auto, black (sold and resurrected -- Don't cry for me Argentina . . . )
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic
'04 XC70 Ruby Red Metallic
'95 855 auto (sold)
'86 245 manual (sold)

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