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Oil - 5/5/2008 12:34:22 PM

DiscoSam2

Posts: 26
Joined: 2/4/2007
Status: offline

I was wondering if I over fill motor by 1/2 quart if it will do any damage to 4.0 motor,I don't think it is over filled enough to spin a bearing ,but as testy as mine is I figured I'd get a 2nd opinion

Post #: 1

RE: Oil - 5/5/2008 3:49:55 PM

Disco Mike

Posts: 8780
Joined: 4/27/2006
Status: offline

If you are 1/2 quart over the full mark, I would drain a little off.

_____________________________

Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to DiscoSam2)

Post #: 2

RE: Oil - 5/11/2008 2:54:17 AM

Bartell

Posts: 56
Joined: 10/27/2007
Status: offline

quote:

ORIGINAL: DiscoSam2

I was wondering if I over fill motor by 1/2 quart if it will do any damage to 4.0 motor,I don't think it is over filled enough to spin a bearing ,but as testy as mine is I figured I'd get a 2nd opinion

No. The oiling system on the vehicle is a high flow, not high a pressure system. Extra oil (within reason) will not effect anything but the oil temperature (it will be lower). Racers have being putting a quart over for years. We use 1/2 quart over regularly.

James

(in reply to DiscoSam2)

Post #: 3

RE: Oil - 5/11/2008 8:23:56 AM

Disco Mike

Posts: 8780
Joined: 4/27/2006
Status: offline

For the record, overfilling an engine can cause seal problems, be it for the engine or tranny.

_____________________________

Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to Bartell)

Post #: 4