Oil Pressure Light flickered on two times
#12
06-16-2016 | 08:35 PM
Recovery Vehicle
Joined: Sep 2012
Posts: 1,168
Likes: 51
From: Tampa, FL
Yes, change the oil first thing. If you take it to a non-Rover shop they will probly throw a fit about the diesel oil because they don't know what they are talking about. Diesel oil is just designed to clean more aggressively and helps reduce wear, which is why it's perfect for these trucks. I recommend either Mobil 1 Turbo Diesel Truck 5w-40 or Rotella T6 5w-40. Many folks run the Rotella T 15w-40 because it's cheaper, but my vehicles sounded like absolute garbage when I ran it; I didn't even make it to 3000 miles before I changed back to the synthetic T6.
Sandwich adapter is an easy way to install a pressure gauge. It tells you the pressure going into the filter, which can be useful for positively identifying low oil pressure.
The big oil filters are really not a good idea. They have a higher pressure oil relief valve, which fools sandwich adapters into thinking the oil pressure is high, when in fact the engine may well be starved of oil on the output of the filter. No one has really done the work to figure out how they are affecting oil pressure AFTER the filter. However, a member of this forum contacted the company who makes the filters, and their engineer said we shouldn't be using them with our trucks.
Sandwich adapter is an easy way to install a pressure gauge. It tells you the pressure going into the filter, which can be useful for positively identifying low oil pressure.
The big oil filters are really not a good idea. They have a higher pressure oil relief valve, which fools sandwich adapters into thinking the oil pressure is high, when in fact the engine may well be starved of oil on the output of the filter. No one has really done the work to figure out how they are affecting oil pressure AFTER the filter. However, a member of this forum contacted the company who makes the filters, and their engineer said we shouldn't be using them with our trucks.
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LarryZ (06-17-2016)
#13
06-16-2016 | 09:21 PM
Pro Wrench
Joined: Nov 2015
Posts: 1,935
Likes: 189
From: Coastal Georgia
The big oil filters are really not a good idea. They have a higher pressure oil relief valve,
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LarryZ (06-17-2016)
#14
06-17-2016 | 12:20 AM
Baja
Joined: Aug 2013
Posts: 6,729
Likes: 721
From: Huntington Beach CA
Thanks for all the ideas.
When I went and brought the 'lil one (as my wife calls it) home, I talked to the mechanic about the issue and he said it was probably a crankshaft bearing shifting which was common on these vehicles.
I haven't seen anything mentioned about this "common" problem - Crankshaft bearing movement - is it really that common an issue?
If a bearing slip is causing the problem, wouldn't the oil pressure light come on more often than twice in six weeks?
I do not know what oil was put in it prior to purchase. Would it be worthwhile to flush the system and install new oil?
When I went and brought the 'lil one (as my wife calls it) home, I talked to the mechanic about the issue and he said it was probably a crankshaft bearing shifting which was common on these vehicles.
I haven't seen anything mentioned about this "common" problem - Crankshaft bearing movement - is it really that common an issue?
If a bearing slip is causing the problem, wouldn't the oil pressure light come on more often than twice in six weeks?
I do not know what oil was put in it prior to purchase. Would it be worthwhile to flush the system and install new oil?
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LarryZ (06-17-2016)
#15
06-17-2016 | 12:32 AM
Pro Wrench
Joined: Nov 2015
Posts: 1,935
Likes: 189
From: Coastal Georgia
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LarryZ (06-17-2016)
#16
06-17-2016 | 07:06 AM
Thread Starter
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Overlanding
Joined: Jun 2016
Posts: 17
Likes: 0
I guess I got a little "cranky" at the news and it changed what I was hearing. A camshaft bearing makes a heck of a lot more sense.
Dropping the oil pan would open up a lot of possibilities - clogged inlet, loose tube, missing "o" ring etc.
I guess I have the next two steps -
2. Add a sandwich adapter and monitor the PSI
3. Drop the oil pan and look.
I appreciate the help. It's been a long time since I worked on an engine and that 230 cu in SOHC 6 was easy.
Dropping the oil pan would open up a lot of possibilities - clogged inlet, loose tube, missing "o" ring etc.
I guess I have the next two steps -
2. Add a sandwich adapter and monitor the PSI
3. Drop the oil pan and look.
I appreciate the help. It's been a long time since I worked on an engine and that 230 cu in SOHC 6 was easy.
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