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1999 V70 Check transmission, Not sure I trust the mechanic

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
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1997 - 2000 V70, V70 AWD
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Re: 1999 V70 Check transmission, Not sure I trust the mechanic

Post by oragex » Wed Jan 24, 2018 11:22 am

GreenbergWoods wrote:
Tue Jan 23, 2018 7:22 pm

Recently, the check engine light and and the flashing arrow indicating a transmission issue began. When I took the car into a mechanic "Not one I had been to before" They ran a diagnostic, though a few things seemed iffy.

I would stick with this for now, that is why you went to the garage, the rest - their findings - may or may not be true but many garages are 'willing' to make money - same goes for the Volvo dealer when they see an old car

Did you recently had a long ride perhaps driving through mountain areas with lots of uphill? If so, the old transmission fluid may have overheated and it's no more efficient. Replacing even part of the fluid can't hurt, you'll need a garage to undo the return hose, most garages can do that. The clip may break so it's good to purchase first a new one with seals from Volvo ($30?). With the fluid this job should not be more than $100, it's simpler than an engine oil change. As mentioned no power flush (many garages do this)

Keep in mind, the transmission may have other issues. I remember some models had a problem with a seal failure allowing coolant to leak inside the transmission, a coolant check for oil contamination would be a good idea just to be safe (just check inside the coolant reservoir)

The thermostat doesn't give a temperature, rather the coolant sensor does so. Here's how to check the thermostat Frankly, if the engine warms up quickly and the gas mileage is fine, leave it like this for now.

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Re: 1999 V70 Check transmission, Not sure I trust the mechanic

Post by readallthebooks » Wed Jan 24, 2018 5:53 pm

there should be a few quality volvo shops in santa cruz. if not the greater bay area has lots of reputable high quality shops that work on volvos. take it somewhere else!

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Re: 1999 V70 Check transmission, Not sure I trust the mechanic

Post by wizechatmgr » Thu Jan 25, 2018 3:37 pm

Other option would be to attempt to seek any local clubs. You say you're a college student - do they have an Auto program at your school? If so, they may also be a great resource as I've seen some that charge only for parts and others that charge very little for labor.
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In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD - ~187k miles

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Re: 1999 V70 Check transmission, Not sure I trust the mechanic

Post by FLXC90 » Sat Jan 27, 2018 10:17 am

First, just address the transmission issue. The fluid replacement by drain and fill may be all you need. Drive it for a few hundred miles to determine results. If it is almost right, consider adding a solvent like seafoam trans-tune, and repeat drain and fill procedure. You'll spend 100-200 bucks and know if your car is a keeper.
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)

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