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Questions tagged [lubrication]

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0
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1answer
110 views

Is it bad to roll down a hill at highway speed in neutral or with the clutch pedal down in a manual transmission?

The problem with this question is that it has been answered lots of times by people who don't know what they're talking about, so I thought I'd ask here in hopes that somebody understands the question ...
0
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2answers
16 views

Moly-based assembly lubricant to cutting lubricant

What's the difference between a Moly-based high pressure assembly lubricant and a heavy duty cutting lubricant, can cutting lubricant be used in place of assembly lubricant or visa versa or is the ...
2
votes
1answer
36 views

Design logic of the oil dispensing can's extra long spout which has no nozzle plug?

The images I'm referring to are shown below: At a Hero Honda service center, I saw the mechanic using an oil can like the one in Figure 1. A cousin also said he used a similar one, so I purchased it ...
2
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1answer
286 views

When should assembly lube be used?

I will be opening up the top of an engine to clean the ticking lifters. To do so, I have to remove the camshaft. I have seen several people use assembly lube on the camshafts lobes and 'fixation ...
2
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2answers
90 views

Dark thing keeps flining off the motorcycle chain

I've lubed a chain on my motorcycle a few days ago, but there's a dark thing keeps flinging all over the swingarm. I'm wondering what it might be? If it's the chain lube flinging all over, then why it ...
1
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1answer
343 views

How are compression rings lubricated?

My question relates to the lubrication of cylinder walls and piston rings. It is my understanding that pistons in cars consists of 3 rings; two compression rings and the oil/scraper ring. As far as I'...
1
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4answers
8k views

What spray/lube to use on electrical connectors

In several videos, I've seen them spray those dreaded electrical connectors. I'm assuming it's to help disconnect them. I've searched and can't find any specific electrical connector spray. I found ...
0
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0answers
53 views

Does an engine with lower viscosity oil require less warming up?

I have always seen that an engine should be driven gently (low throttle, low revs) for about 15 minutes after starting, in order to bring the oil up to temperature and lubricate the engine properly. ...
2
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1answer
301 views

Speedo goes crazy. Needs lubrication. What do I lubricate it with?

I have a mid-90s econobox which still has a mechanical speedometer. In cold weather (sub-50F/10C) the speedometer will sound really squeaky, and above a certain speed (30-60 depending on cold) the ...
1
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1answer
57 views

How widesread are truck ALS systems today?

Talking specifically about such non-exotic vehicles as long distance semi-trucks, city buses etc., what is the today's de-facto standard with regard to availability of Automatic Lubrication Systems on ...
1
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0answers
56 views

What effect does exposure to the elements (hot sun & rain) have on cars and motorcycles?

Place: South India. Situation: Parking in an open space with no shade, morning to evening. Temperature: 30 to 40 degrees Celsius. I have parked my car under the hot sun for a week, and I noticed ...
4
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3answers
23k views

Should I use lubricant or not when installing these spark plugs?

This is question came up while trying to diagnose ignition coils unseating. I used anti-seize lubricant on the currently-installed spark plugs. I'm planning to install a new set of three NGK DCPR8E ...
0
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1answer
534 views

Bearing features (2RS versus 2RSH)

I have done sufficient googling to discover that a -2RS bearing is one with two rubber seals. I haven't ascertained much beyond that. For an application currently using a 2RSH bearing, can I replace ...
2
votes
1answer
150 views

Best lubricant for trailer hinges

I bought a small cage trailer without a roof about a year ago -- used but in good condition. What is the best lubricant for the hinges of the trailer cage door? (Perhaps graphite or white lithium ...
2
votes
3answers
138 views

What is the first point of failure on an engine?

I'm curious, if serviced properly, for example every six thousand mile oil change, what would be the first thing to fail on an engine, my guess would be valve stem seals as they are not metal but I’m ...
2
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1answer
271 views

Can motorcycle engine be tilted by 90 degrees?

I am referring to a modern oil-cooled motorcycle engines. Is it correct to suppose that a lubrication flow is gravity-assisted and by tilting the engine block 90 degrees I would render the engine ...
3
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1answer
338 views

How to tell the Difference: Condensation Drain Vs Lubrication Hole

I have an old medium sized 1/2 HP electric [motor]. On the bottom, on both ends, there is a small (couple millimeter) hole blocked with red plastic plugs. They are on the same side as the mounting rig,...
10
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4answers
23k views

Should I use open engine oil that was left over from previous oil change

So, I have accumulated 4 Liter engine oil which are left overs of previous oil changes. I have accumulated these amount in 1 year. So should I use it or not? I use Mobil 1 full synthetic 0w 40. ...
4
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1answer
353 views

Engine oil requirements

I ride a 2015 Yamaha FZ-07 (around San Francisco / Bay Area), which is water-cooled and supports 10w30, 10w40, 10w50, and 20w50 motorcycle oils. However, the manual says not use 10w30 oil when the ...
8
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5answers
688 views

Is WD40 a penetrant?

An outer tie rod is bound (screwed into) the inner tie rod as described in this previous posting. WD40 was sprayed at connection between the two tie rods and the jam nut was loosened. Attempts to ...
5
votes
1answer
70 views

Do good shocks have any oil below the top half?

Is oil below the top half of shocks indicative of failure, or is it supposed to be visible? One repair tech said that any oil below the top half of a shock indicates failure. Another repair tech ...
8
votes
1answer
5k views

Which grease should I use on wiper mechanisms?

The front wiper mechanism on my 1988 Porsche 944 has become a bit slow moving and I plan to fix it. On my car the wiper crank arms go through sockets in a frame, the crank arms are moved back and ...
5
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1answer
36k views

What type of Brake Lube to use

I am going to do a DIY brake job on my car and am trying to sort out how to lube everything. I found this helpful list of places to lube: What brake components need to be lubricated? but it does not ...
3
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2answers
622 views

Oil low - incorrect oil already in. Stick with the wrong type or add correct type? [duplicate]

Vehicle: 2004 Mini Cooper (1598cc Petrol, 3-door hatchback) (United Kingdom). My knowledge-level: Low. Background: My oil level is below 'minimum'. I suspect a leak and have booked it into the ...
8
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1answer
2k views

Effects of sunlight on engine oil

I have a 5 litre bottle of oil out back that I was going to top my car up with when I realised it's been out on the sun for about a month, the bottle is opaque and does not let sunlight through (apart ...
3
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1answer
507 views

Effects of loss of oil pressure after oil change [closed]

I'm curious some people say change oil every 3k miles, 6k, 10k and some even every 20k. What seams best for the engine and give the best protection would be the shortest interval 3k however I ...
10
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3answers
81k views

Okay to add new oil to old?

Title pretty much explains, I change my oil every 4-6k miles depending on how generous I’m feeling, however will the oil dirty oil that’s already in the sump mix with the clean oil when topping up? ...
6
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1answer
253 views

Heim joints with zerk fittings

On my truck I have heim joints setup in the steering to provide additional strength. Currently I have a 3/4 by 3/4 heim with teflon coatings, and with the mud and dirt where I live, they are getting ...
12
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4answers
32k views

Does Vaseline dissolve rubber?

Recently, someone suggested that I apply some vaseline to an O-ring connection to see if I can find a leak. I've read that oil-based lubricants, especially vaseline, can desolve rubber. It seems like ...
9
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3answers
1k views

What prevents engine oil from mixing with petrol in motor bikes?

Engine oil is used in the lubrication process, at the same place petrol is also there. What prevents engine oil mixing with petrol in motor bikes?
5
votes
1answer
575 views

Oiling lawn mower air filters

Why does the air filter on a lawn mower need to be oiled? Is it true that major engine damage will occur if the intake air filter is not oiled?
5
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2answers
26k views

Assembly lube or engine oil when reassembling cylinder heads

I have read differing opinions on what should be used to lubricate cylinder head parts, such as valves, lifters, camshafts and bearings when reassembling cylinder heads. Some prefer engine oil while ...
6
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2answers
365 views

Looking for a suitable lubricant

I'm rebuilding a Lucas windshield wiper motor. It's pretty old and the manual recommends using Ragosine Listate grease for the gear and connecting rod and Shell Turbo 41 for the bearings. Neither is ...
1
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2answers
3k views

Can I use Mercon V as power steering fluid?

My manual for my 2001 Ford F-150 (4.6L v8) says that the transmission fluid is "Mercon V". For power steering fluid it lists "Mercon". I can't even find something on the shelf listed as "Mercon". I've ...
5
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1answer
111 views

Are More Recent API Oils always “Better”?

The API ( American Petroleum Institute ) provides certifications for engine oil. Such certifications range from SA for 1930's era vehicles up to the current standard SN. The above linked document ...
5
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1answer
561 views

I lubed a sticky throttle and now it's worse, but only in the cold

I've been teaching my friend to drive stick on my Subaru 2004 Impreza Outback Sport, and the gas was a little sticky/crunchy, so it was hard to give just a little gas. It was either none, or a little ...
12
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2answers
29k views

How does ambient temperature affect engine efficiency and fuel consumption?

I remember from my physics class that the ideal-gas Carnot engine is more efficient if the temperature difference between the heat source and the thermostat ("heat recipient") is larger (http://...
2
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1answer
2k views

2012 Dodge Caravan - Lubrication of door channel

Both the sliding doors make a grinding noise when opening or shutting down. The place I take this to for an oil change claims to lubricate doors and windows. Now I am not too sure. What level of ...
2
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3answers
486 views

When should we change the machine lubricant? Cold engine or hot engine?

According to the manual, we should change the lubricant when the engine is still hot to easy the lubricant flow out completely. But from other perspective, loosening the bolt at the high temperature ...
8
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3answers
6k views

Should lost CV gaiter grease be replaced?

I discovered a small hole, possibly a puncture, in an outer CV gaiter on the front. The hole was right next to/under the (outer) metal ring holding the CV gaiter, so it wasn't in a very flexible bit. ...
3
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4answers
19k views

Lubricating rubber fuel hose for easier future removal

I just changed my fuel filter, the connections to which are rubber fuel line fitted over metal pipes with bulging ends -- a bit like a barb. (There's a photo at http://i.stack.imgur.com/oH0Ns.jpg if ...
5
votes
1answer
1k views

What should I use to lubricate the flaps that controls the temperature and which vents the air comes out of?

The control shafts that move the flaps which control the the hot/cold air and which vents the air come out have broken. The car is a 1999 93 Saab so I'm assuming that the hinges (the flap has a peg ...
11
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5answers
25k views

How to stiffen up a loose ball & socket joint for a motorcycle mirror?

I have bar-end mirrors on my Buell 1125CR. They're fairly heavy anodized aluminum pieces that pivot on a ball & socket joint for adjusting the angle of view. One of them fits snugly on the joint, ...
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2answers
360 views

Squeaky door gets the grease?

When should you grease a door hinge? When it's dry or when it starts making noise? Is there a universally appropriate type of grease to use? How should it be applied?
3
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1answer
6k views

What is the correct way to clean and lubricate the chain of a Yamaha FZ 16?

I own a 2011 Yamaha FZ 16 bike; which has an open chain; occasionally dirt gets accumulated to the chain and despite my many attempts I am unable to properly clean the chain. Also could you also help ...
16
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3answers
19k views

Is Anti-Seize a lubricant, abrasive, or both?

I'll flesh my personal bias at the outset - being a heavy diesel mechanic for a time, and mechanically inclined my entire life, I use Anti-Seize wherever I can. If it has threads and it's not part of ...
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4answers
24k views

Difference between “Hypoid” and “Limslip” oils

Recently I changed the oil in my vehicle's rear differential. The manual recommended the use of a "Hypoid" oil, but the guy at the auto parts store suggested a "Limslip" oil instead. I went along ...
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2answers
6k views

How does the change oil light system work and does it matter what type of oil you use for it to work properly?

I want to know if the methods a vehicle decides when to turn on the oil change light have to do with the qualities of the motor oil used in the last oil change. I have heard that the vehicle's ...
21
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5answers
12k views

What differences between synthetic and dino oil?

What are the main differences between synthetic and dino oil? Is one always better than the other?