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What's worse than the engine oil light coming on?...no engine oil light.

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

splats
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splats

What's worse than the engine oil light coming on?...no engine oil light.

Post by splats » Sat Jan 14, 2017 9:26 pm

Hi.

I have a '96 850 turbo w/ 185k miles on it. I've owned it for the past 5 years.

Long story short: the oil light didn't come on and when it should have. (The lamp in the dash is ok.)

I drove home from work on Friday (20 miles) - I heard a rattle when I started it at work (but didn't think too much of it) - I didn't hear it on the way home until I pulled into my drive way. Turns out the engine was low on oil, and now it has a rattle. Today I changed the oil and filter, but it made no difference. I have not checked oil pressure.

So, what do I do to fix the rattle/knocking? Change the lifters? Clean the oil intake? Shoot it between the eyes?

(I really like this car. I am a bit distraught at the moment...)

Thanks for any input/thoughts/advice...
Splats.

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theWIFES_S70
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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by theWIFES_S70 » Sat Jan 14, 2017 9:59 pm

Man, sorry to hear about this. Just curious, how low did you let the oil go?
1998 Volvo S70, N/A, 5-speed, 183K
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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by EstVolvo » Sat Jan 14, 2017 10:03 pm

How much oil came out during the oil change?

splats
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splats

Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by splats » Sat Jan 14, 2017 10:22 pm

About 3.5 quarts came out. So it was about 2 quarts low.

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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by abscate » Sun Jan 15, 2017 4:41 am

You should be ok.

If it's lifter rattle ( continuous) drive it for a bit and see if it improves. You really should use synthetic if you aren't.j

If it's a rod knock ( loudest when you lift foot off gas) drive it locally only and avoid high speed /high revs

When it goes to tock or thunk...its decision time
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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by beigg » Sun Jan 15, 2017 7:38 am

does the oil have a "glitter or metallic" look to it?
ugh smh 850 Turbo fridge

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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by splats » Sun Jan 15, 2017 8:37 am

Thanks for the advice, Abscate. I'll try your suggestion. The rattle is continuous at idle. I don't notice it getting louder when I take my foot off the gas. And I'll switch to synthetic on my next oil change.

splats
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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by splats » Sun Jan 15, 2017 8:39 am

beigg, thanks for the reply, I know where you're going with that question. There's no glitter in the oil.

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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by abscate » Sun Jan 15, 2017 8:47 am

splats wrote:Thanks for the advice, Abscate. I'll try your suggestion. The rattle is continuous at idle. I don't notice it getting louder when I take my foot off the gas. And I'll switch to synthetic on my next oil change.
Thats good. Worst case maybe some new lifters, maybe even avoid the whole clip of bullets if you have been living life with a full karmic bucket.
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Re: What's worse than the engine oil light coming on?...no engine oil light.

Post by splats » Sun Jan 15, 2017 11:50 am

abscate, you were right. I drove around for 15 or 20 minutes and the rattle has pretty much disappeared (completely, even?). I'm going to let the engine cool down to see if returns.

(I'm waiting to find out, but the karmic bucket may have been filled in my favor when I had to change the heater blower motor in my '89 240...)

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