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Oil CHANGE '94 850

Help and Advice on Volvo's extremely popular car line, powered by Volvo's nearly indestructible, versatile 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

Oil CHANGE '94 850

Postby osolanog850 » 29 Nov 2008, 15:54

Hi guys
I need an advice regarding which grade and brand of oil it's better to use in our 850.

I read some opinions in this forum recommended to use Castrol RS 0w-40, others guys use Mobile 1, Valvoline, etc.. Here in my country it's very hard to find good oil filters, that' because I preffer to use syntetic oil, but which grade and brand?

BTW what it's means dino oil? it's a brand of oil?
Thanks
'94 850 Manual 39,300 Km

'94 850 Autom 45,000 Miles
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Re: Oil CHANGE '94 850

Postby MadeInJapan » 29 Nov 2008, 16:10

You live in a warm climate and have relatively few miles on both of your Volvo's. I would go w/ 10W30 Mobil-1 synthetic (not the high mileage stuff). Make sure and use a Volvo or a Mann filter- it will make a difference and also use an aluminum plug washer on the oil pan plug. All of these can be bought (minus the oil) from http://www.fcpgroton.com at a savings.

Dino= from dinosaurs...thus natural oil, not synthetic.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
94 850 Sedan NA Drk Blue/Tan
'00 V40 Purple/Grey Mobil-1
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Re: Oil CHANGE '94 850

Postby osolanog850 » 29 Nov 2008, 16:33

MadeInJapan wrote:You live in a warm climate and have relatively few miles on both of your Volvo's. I would go w/ 10W30 Mobil-1 synthetic (not the high mileage stuff). Make sure and use a Volvo or a Mann filter- it will make a difference and also use an aluminum plug washer on the oil pan plug. All of these can be bought (minus the oil) from http://www.fcpgroton.com at a savings.

Dino= from dinosaurs...thus natural oil, not synthetic.



Thanks my friend,
I was told to use 20w 50, what do you think?
'94 850 Manual 39,300 Km

'94 850 Autom 45,000 Miles
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Re: Oil CHANGE '94 850

Postby MadeInJapan » 29 Nov 2008, 17:33

Your owner's manual recommends what I said. I would stick with the recommended weight although what you mention isn't bad if the engine is worn (and is leaking or is burning oil) and you have surges beyond 100 degrees Fahrenheit much of the time.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
94 850 Sedan NA Drk Blue/Tan
'00 V40 Purple/Grey Mobil-1
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Re: Oil CHANGE '94 850

Postby SnookWhaler » 29 Nov 2008, 22:58

MIJ knows what he is talking about. Use a 10/30 weight synthetic. And the best filter you can find in your area.

The 20/50 weight oil does not have the "cold pumping properties" that the 10/30 does. The engine needs that lower # at start up to get good circulation throughout the oil gallery. Also, the heavier oil on the upper # will hurt your gas mileage and power considerably (you can feel the difference).
1994 Volvo 850 sedan 165K
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Re: Oil CHANGE '94 850

Postby osolanog850 » 30 Nov 2008, 00:12

SnookWhaler wrote:MIJ knows what he is talking about. Use a 10/30 weight synthetic. And the best filter you can find in your area.

The 20/50 weight oil does not have the "cold pumping properties" that the 10/30 does. The engine needs that lower # at start up to get good circulation throughout the oil gallery. Also, the heavier oil on the upper # will hurt your gas mileage and power considerably (you can feel the difference).



Thank you both!
I changed the oil like that MIJ said. Thank you SnookWhaler for the explanation! that's the better way to learn about our cars, here at the forum! I paid $12.65 for the oil filter (at the dealer)but it's better than a cheap filter in long terms and I almost paid $65 for the oild change (Castrol semi synthetic oil). A qt. of synthetic oil costs $22.52 and semi-synthetic $12.43

I'm planning to change the spark plugs tomorrow but i couldn't find the GAP of .28, i could only find .8mm that would be as 0.29?? Could this be a problem? the brand name of the spark plug is VERON.

An additional question, It is the first time that I change the oil, and I just wondering if the previous owner used a cheap brand of oil, and now i change it with a better brand and weight that could increase the pressure of the engine?? I ask this because when I revise the fire trap it it was obstructed, so I clean it up the best I could, but is it better to change it once and for all?

Thanks
'94 850 Manual 39,300 Km

'94 850 Autom 45,000 Miles
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Re: Oil CHANGE '94 850

Postby SnookWhaler » 30 Nov 2008, 00:42

Here is some info. on the car. The plug gap is .028 or .7mm.

http://new.volvocars.com/ownersdocs/199 ... 0_9_1.html

I always use Volvo plugs. And you don't have to worry about the gap. If you are using different plugs, you can use a gapping tool or some thin wire the same thickness as the gap to change the gap.

If the engine has had dino. oil, it probably has a good bit of varnish and burnt looking stuff when you look down inside the valve train, when the oil cap is removed. The full synthetic will actually clean a lot of that up over a few changes. Not too sure about the semi-synthetic. You won't really gain anything by changing the oil except removing contaminants and the peace of mind. Over time you will thank yourself for timely oil changes. On the other hand. If the oil has not been changed in a long time, the fuel in the oil from the "blow by" can thin the oil to some extent. So, you may actually be able to hear and feel a difference after you change it. If the car had been neglected.

You can remove the flame trap, if that is what you are indeed speaking of. Volvo quit using them at some point. I forget the year? I have removed 3 of them on my cars with no ill effects.

From the sound of it... You may want to consider changing or flushing the trans. fluid using the method listed here on the site. It is very easy and will gain you some additional peace of mind.
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Re: Oil CHANGE '94 850

Postby MadeInJapan » 30 Nov 2008, 07:55

Wow, your oil sure is expensive over there...do you not have a Walmart or Costco? I buy mine in 4 or 5 quart containers for under $25

The spark plug is 0.028 not .28, and that's in inches. That translates to 0.7112mm Get a gapping tool...that's the best way. If the gap is too big, just push it in against a hard surface and start again. Avoid expensive platinum plugs (they cause problems) and stick with a good copper core (if you don't buy Volvo plugs) such as Champion or even better, Bosch copper core.
Hope that helps.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
94 850 Sedan NA Drk Blue/Tan
'00 V40 Purple/Grey Mobil-1
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Re: Oil CHANGE '94 850

Postby volvomileage » 30 Nov 2008, 16:07

Mij is right

the 10w30 is the recommended oil grade...especially if its hot all round year

i use castrol's 10w30 synthetic in summer over here and use 5w50 synthetic in winter....its very cold in winter ...i get better cold pumpability with the 5w50

volvo dealerships use 5w30 all year round over here..and of course either the volvo branded filters or mann
volvo 850 95 sedan non/turbo 185 k
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Re: Oil CHANGE '94 850

Postby osolanog850 » 01 Dec 2008, 03:52

volvomileage wrote:Mij is right

the 10w30 is the recommended oil grade...especially if its hot all round year

i use castrol's 10w30 synthetic in summer over here and use 5w50 synthetic in winter....its very cold in winter ...i get better cold pumpability with the 5w50

volvo dealerships use 5w30 all year round over here..and of course either the volvo branded filters or mann



Thank you guys for all the info nd advices.
Oscar
'94 850 Manual 39,300 Km

'94 850 Autom 45,000 Miles
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Re: Oil CHANGE '94 850

Postby Japedo » 01 Dec 2008, 23:11

Ive been running castrol 5w20 for 4 years. Seems to work well. And fram filters

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94 850 turbo
01 V70 XC
2003 v70 2.5tawd black/black 120miles
2007 nissan altima 2.5 cvt 107miles
2001 xc70 211 miles " collision"/ parts car
1994 850 turbo 315miles 5 speed "stoped fixing it"
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Re: Oil CHANGE '94 850

Postby MadeInJapan » 01 Dec 2008, 23:32

Oh man...hate to tell you that Fram are the absolute worst. You really should change to a filter that has a pressure valve in it...Volvo or Mann....really.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
94 850 Sedan NA Drk Blue/Tan
'00 V40 Purple/Grey Mobil-1
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Re: Oil CHANGE '94 850

Postby instarx » 02 Dec 2008, 23:54

Conversions are super easy these days. Just go to Google and type in "0.028 inches to mm" and get your answer. This works for thousands of conversions - even strange ones like "slugs to kilograms" or "watts to horsepower".

It even works for currency conversions, like: "1000 dollars to baht" or "133 dollars to Euros"
2000 V70XC SE - 161k miles
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28-30 mpg highway; 16-20 mpg city - accurately measured
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Re: Oil CHANGE '94 850

Postby SnookWhaler » 03 Dec 2008, 00:11

This link covers the plug gap in either measurement to include the plug torque, as posted earlier in this thread:

http://new.volvocars.com/ownersdocs/199 ... 0_9_1.html

Under Specs. 9.4 it list the plug gaps both ways. As well as every other important thing about the car.

Fram filters are asking for trouble. Once you cut a Fram filter open with a hacksaw and see what is in there... You will never use another one again. Especially after you cut open some good filters. The "drain back valve" is one of many key components in a good filter. Especially if they are mounted horizontally.
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