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Rattling Backend

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

Posts: 11
Joined: Mon Jul 25, 2016 2:08 pm
Year and Model: ‘07 S60T, ‘88 745GLE
Location: Comox, BC
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Rattling Backend

Post by Idamon » Tue Apr 30, 2019 12:36 pm

My 88 745 wagon has a very annoying rattle coming from the back end whenever I drive over any slightly bumpy pavement. With the vehicle weight and off the wheels I have smacked, wiggled and twisted everything including the suspension bushings, but everything is tight. But if I thump the bottom of the gas tank something inside is rattling producinq the same sound I hear while driving. The tank itself is firmly firmly mounted and does not move at all. The metal bands holding it onto the car are tight. Could the fuel pump or float be loose inside the tank?

1988 745 GLE, 350k KM/217k miles, one owner (me)
2007 S60 2.5T, 198k KM/123k miles

Posts: 2451
Joined: Sat Jan 18, 2014 7:11 pm
Year and Model: 93:240/940
Location: Sunflower State
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Re: Rattling Backend

Post by 93Regina » Tue Apr 30, 2019 7:19 pm

Idamon wrote:
Tue Apr 30, 2019 12:36 pm
whenever I drive over any slightly bumpy pavement.
Replace rear shocks, and check muffler system's fitness.

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