Questions regarding the engine lubrication system

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2
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1answer
44 views

Mechanic Troubles And A Small Watery Oil Leak

My car is a 2005 BMW 525i E60 with about 180,000km on the clock. It has been well looked after and serviced. I don't get dealer services, but go to a mechanic who has always been good and uses the ...
2
votes
1answer
45 views

Can I use EP 80W/90 oil instead of EP90 oil?

I have a Belle MiniMix 150 110V Electric Cement Mixer the documentation says to use a EP90 oil in the gear box, but these days it seems that most outlets only sells EP80/90 oil. What is the ...
2
votes
1answer
78 views

Whining noise from valve cover region, Nissan Primera P11 1999

Recently I've been hearing a whining noise from the engine bay. After checking, it seems to come from the valve cover. I've checked the motor oil; level seems ok although the oil is black but not ...
2
votes
0answers
123 views

Audi A6 2.4L 99 - randomly sets off brake warning lights, no abs, no rpm, no A/C

Randomly while driving or standing still I get a bunch of warning lights that come on, beep and blink. Sometimes it lasts a few minutes, sometimes it will stay on for a few days of driving and turning ...
2
votes
0answers
281 views

High oil pressure in a marine engine

High oil pressure in my marine Perkins 4108 diesel showing 80 on the gauge, oil and filters recently changed, wiring checked and ok it runs an alternator to charge the batteries and when disconnected ...
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0answers
66 views

Chevron Oil Filter, any good?

There are lots of information about what's inside oil filter from several brands... but zero on the Chevron ones. The closest place i have is a BigQ and they told me they use that. I'm pretty sure ...
0
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0answers
254 views

Nissan Micra oil leak

My Nissan Micra is a 51 usually a good runner however today after work on my way down the main road which is 60 my car would not gain speed. It would only reach 40 at a push. When I’ve arrived to my ...