Jump to content

MyCarForum Logo
Search
Engine level question

  • Search this thread
180 replies to this topic | 0 praises

#1

Posted 10 December 2011 - 03:46 PM

Spiderman302
  • Spiderman302
    4th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    653
      Joined: 15 June 2007
      Posts: 844
     
Can some expert offer some advice for the following :

Must engine oil be filled up to the "full" level ?

As the dip stick shows both "L" and "H" mark, theoretically 3/4 full should be ok right ?



#2

Posted 10 December 2011 - 04:55 PM

Good-Carbuyer

Can some expert offer some advice for the following :

Must engine oil be filled up to the "full" level ?

As the dip stick shows both "L" and "H" mark, theoretically 3/4 full should be ok right ?

"L" is the manufacturers' recommendation to avoid issue like cavitation.
Topping up higher than "H" level can result in "oil leakage on some engines"
Should not have any oil level issue if we maintain between "L" and "H"

#3

Posted 03 August 2012 - 11:50 AM

Angchug
  • Premium member
    Angchug
    2nd Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    202
      Joined: 15 November 2010
      Posts: 188
     
[quote name='Spiderman302' date='Dec 10 2011, 03:46 PM' post='4151664']
Can some expert offer some advice for the following :

I did a search and as per the Engine Oil Viscosity Chart for a tropical country like us we should be using 15w40 - 20w50.
However I noticed in the forum most members recommend 0w30 - 5w40 range. Any special reason to choose such a cold temp range?

Thank You


#4

Posted 03 August 2012 - 12:56 PM

Torquemonster
  • Premium member
    Torquemonster
    2nd Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    166
      Joined: 16 January 2009
      Posts: 167
     
Engine oil should be filled closer to the full line, but never overfill the oil because if it's too high it will come into contact with the moving crankshaft and as a result it will get whipped up with air and form air bubbles, instead of circulating oil through the engine, it will circulate those air bubbles through your engine and not lubricate effectively.

#5

Posted 08 August 2012 - 01:16 AM

Tainey
  • Tainey
    Banned
      Joined: 27 July 2012
      Posts: 81
     

"L" is the manufacturers' recommendation to avoid issue like cavitation.
Topping up higher than "H" level can result in "oil leakage on some engines"
Should not have any oil level issue if we maintain between "L" and "H"

Its really a nice information and also important for everyone and me also.

#6

Posted 11 August 2012 - 09:44 PM

Darkblue
  • Darkblue
    5th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    1,014
      Joined: 26 November 2006
      Posts: 1,013
     

Can some expert offer some advice for the following :

I did a search and as per the Engine Oil Viscosity Chart for a tropical country like us we should be using 15w40 - 20w50.
However I noticed in the forum most members recommend 0w30 - 5w40 range. Any special reason to choose such a cold temp range?

Thank You


Based on the average temperate of Singapore from 1965 to present... we can safely ignore the cold temp rating.

Quality of manufacturer and oil change interval should be your main concern.

#7

Posted 11 August 2012 - 10:38 PM

5936
  • 5936
    6th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    3,828
      Joined: 23 May 2010
      Posts: 3,819
     
Before yanking out the dipstick, check that car is on LEVEL ground.
The difference between full and 3/4 is only less than 1L and short scale on the dipstick for small engines, so some slopes can really affect real oil level readings.

#8

Posted 14 August 2012 - 03:04 AM

Chucky2007
  • Premium member
    Chucky2007
    6th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    4,311
      Joined: 04 April 2007
      Posts: 4,009
     
During my last servicing, I noticed that workshop may have overfilled.. In morning when cold, the oil level is above the F level... Should I go n drain off the engine oil? Or justnleave it for another 9500km until next servicing?

#9

Posted 14 August 2012 - 07:31 AM

ER-3682
  • Premium member
    ER-3682
    6th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    3,189
      Joined: 23 November 2009
      Posts: 3,161
     

During my last servicing, I noticed that workshop may have overfilled.. In morning when cold, the oil level is above the F level... Should I go n drain off the engine oil? Or justnleave it for another 9500km until next servicing?

If just 2-3mm above the F mark is O.K.,some cars may 'eat' some oil in 3-4 k km.

Fairlady.


#10

Posted 14 August 2012 - 07:33 AM

5936
  • 5936
    6th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    3,828
      Joined: 23 May 2010
      Posts: 3,819
     
Should remove the excess oil till 3/4 mark

#11

Posted 14 August 2012 - 08:38 AM

Adrianli
  • Premium member
    Adrianli
    NOS-ed
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    13,834
      Joined: 29 June 2003
      Posts: 13,388
     

Should remove the excess oil till 3/4 mark


I disagree.

When engine is cold and not started, oil level should be at H level or slightly above H level. When engine is running, the oil level will drop to between 3/4 to H level.

#12

Posted 14 August 2012 - 08:54 AM

Kangadrool
  • Premium member
    Kangadrool
    NOS-ed
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    11,724
      Joined: 03 July 2008
      Posts: 9,171
     

During my last servicing, I noticed that workshop may have overfilled.. In morning when cold, the oil level is above the F level... Should I go n drain off the engine oil? Or justnleave it for another 9500km until next servicing?


w/s tends to fill up more than F level. Every time after servicing, I will DIY pump out the excess (about 0.5L). Too much engine oil is bad for the engine.

The reason why they overfill is they are afraid that your engine eats oil, and come back to kpkb/top up.

#13

Posted 14 August 2012 - 09:52 AM

Ghostrider
  • Premium member
    Ghostrider
    Supercharged
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    5,764
      Joined: 28 December 2001
      Posts: 5,704
     
The first number actually means nothing much to us...as the coldest weather we encounter is a rainy morning temp of 22-25 degree. The more important is the number at the back which denotes the thickness of the oil.

How thin of the oil depend on how well your engine seals are. But usually I would go for 40 grade.
I got no signature ??

#14

Posted 14 August 2012 - 10:36 AM

Redplanet
  • Redplanet
    5th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    1,729
      Joined: 30 March 2008
      Posts: 1,725
     

Should remove the excess oil till 3/4 mark

U must be joking.
Why? Why? Why? Why so much red tape?

#15

Posted 14 August 2012 - 11:04 AM

Cba6p
  • Cba6p
    3rd Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    325
      Joined: 08 August 2010
      Posts: 325
     
the right time to chk oil level is 5-10min after the engine is turned off, not in the morning.

#16

Posted 14 August 2012 - 11:15 AM

TVT
  • Premium member
    TVT
    Turbocharged
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    8,637
      Joined: 18 August 2011
      Posts: 9,738
     
I did my servicing last week. The mechanic didn't pour all the 4L of EO into the engine. I asked him why and he said my engine oil total capacity only 3.96L (as stated in the manual), so no need to put in 4L. I check the dipstick and it was showing at 3/4 mark level.

I always tot the dipstick should be at the MAX level. So was my mechanic right? Anyone can advise?

#17

Posted 14 August 2012 - 12:49 PM

5936
  • 5936
    6th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    3,828
      Joined: 23 May 2010
      Posts: 3,819
     
Pse explain.

#18

Posted 14 August 2012 - 12:56 PM

5936
  • 5936
    6th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    3,828
      Joined: 23 May 2010
      Posts: 3,819
     
for bigger heavy duty industrial diesel engines, some dipsticks came with 2 sets of readings. One side for cold reading and another side for taking readings while engine is still running on idling speed.

For our petrol engines, its cold reading.

#19

Posted 14 August 2012 - 02:24 PM

Chickensoup
  • Chickensoup
    4th Gear
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    687
      Joined: 15 December 2008
      Posts: 685
     

I did my servicing last week. The mechanic didn't pour all the 4L of EO into the engine. I asked him why and he said my engine oil total capacity only 3.96L (as stated in the manual), so no need to put in 4L. I check the dipstick and it was showing at 3/4 mark level.

I always tot the dipstick should be at the MAX level. So was my mechanic right? Anyone can advise?

No right and no wrong. Most of the time we tend to fill max because we expect the engine to consume some oil before the next oil change.
If you are confident that there will be no oil loss till next service, fill till min. It will save 1L of oil per service and no harm to the engine. As long as the oil pump can suck oil to spray within the engine no difference.

#20

Posted 14 August 2012 - 02:36 PM

Adrianli
  • Premium member
    Adrianli
    NOS-ed
    The points of the user determines the rank. The higher the points, the higher the rank.
    The bar represents the rank and points of the user. The longer the bar, the higher the rank and points.
     
    Points:
    Points are accumulated from other users who Praise or Disliked this users' posts.
    13,834
      Joined: 29 June 2003
      Posts: 13,388
     

for bigger heavy duty industrial diesel engines, some dipsticks came with 2 sets of readings. One side for cold reading and another side for taking readings while engine is still running on idling speed.

For our petrol engines, its cold reading.


Yes. Thatz why I mentioned to ensure oil level is at H level or slightly above H level when engine is cold, before started. All the oil should be in the sump with little residue in the various lubrication location. This is the most accurate way to tell how much oil is in the engine.

When engine is running, the oil level will drop cos the oil is being pumped to various locations for lubrication. U should not be having a H level reading when engine is running. Cos when its stopped all the oil will return to the sump thus there will be a higher than normal reading.

U will also need to consider whether ur engine is running on wet sump or dry sump.


Back to Maintenance & Repairs  ·  Aftermarket Top
Dynamics Mechanic Pte Ltd





1 user(s) are reading this topic

0 members, 1 guests, 0 anonymous users