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Old 05-21-2019, 08:14 AM   #1 (permalink)
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Baffles Needed for Modded Pan?

Guys,
Making a modded oil pan and pick up tube for a vw diesel aaz engine.

With wheeling in mind, steeps and side hills, will I need to add oil pan baffles for this pan? The pan is 8" in depth at the deepest measurement.

The oem pan holds 4.5 liters including the oil filter. Not sure how mine compares.....I'll measure it once it's done.

This is a 1st time mod for me.



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Old 05-21-2019, 12:43 PM   #2 (permalink)
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Not sure. Could you post some closer and larger photos?

All kidding aside, we need to know more info. Is this modded pan deeper or shallower than the original? Do you have photos of the original? If the same, and the pickup will be staying in the same spot, it looks like you will probably be ok without baffles. If different, the pickup may need to be modified, and you'll need to figure out what your new capacity will be to ensure proper level and fill accordingly.

To make it simpler with out knowing answers to the above questions, you need to make sure that your pickup will stay submerged in oil while at all operating angles. Do whatever is necessary to ensure you can do that and you will be good.
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Old 05-21-2019, 01:25 PM   #3 (permalink)
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This is an oem vw aaz diesel oil pan;

https://www.cascadegerman.com/wp-con...2-1296x864.jpg

I've cut the front to be more shallow [ by about an inch to 1.25" ] and added depth to the rear of the pan, to make up for lost volume. The original shape had a bit of a "peak" to it's bottom. Have I matched the added volume to the chopped volume.........time will tell.


I'll use the oem screen from the vw pick up tube, and try to center it in the rear of the pan, 3/8ths off the bottom.
The oil level in the pan will remain the same as before. This *should* keep the screen covered at all times. I guess I could tilt the pan 45 degrees by hand, fore / aft / side to side to determine this.

Still not sure if I need a baffle or not....... even if I don't add a baffle, my design should be better than oem pan design for steeps and side hills.
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Old 05-21-2019, 03:33 PM   #4 (permalink)
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I would say yes to adding some baffels and/or trap door style just to keep the goo nearer the pickup tube as possible.

45* is pretty easy to hit going up and down hill
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Old 05-22-2019, 07:24 AM   #5 (permalink)
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I'm actually surprised more stock trucks don't have oiling related issues. My Toyota 3.0 has definitely spent some time at 45 up/down with no apparent damage.
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Old 05-22-2019, 07:33 AM   #6 (permalink)
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Adding baffles won't hurt. You're already in there. Might as well do it.
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Old 05-23-2019, 04:18 AM   #7 (permalink)
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Quote:
Originally Posted by stephen wilson View Post
I'm actually surprised more stock trucks don't have oiling related issues. My Toyota 3.0 has definitely spent some time at 45 up/down with no apparent damage.
That's because you're probably at idle or close to it when it happens.

Try that wide open at redline and you'll have problems real quick.
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Old 05-23-2019, 04:26 AM   #8 (permalink)
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That's because you're probably at idle or close to it when it happens.

Try that wide open at redline and you'll have problems real quick.
Often, but not always. The most recent time the nose had dropped in a muddy hole, I was definitely full throttle and high RPM trying to get out of that one.
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Old 05-23-2019, 06:28 AM   #9 (permalink)
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got a pretty good deep sump going, looks like it'll hold a couple more quarts too.

I'd just toss in a sump covering baffle like you see in GM gen 3 small block truck pans and call it good at that.
you're already miles ahead of the stock pan with just the added sump
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Old 05-23-2019, 08:24 AM   #10 (permalink)
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got a pretty good deep sump going, looks like it'll hold a couple more quarts too.

I'd just toss in a sump covering baffle like you see in GM gen 3 small block truck pans and call it good at that.
you're already miles ahead of the stock pan with just the added sump
Yes, this is what I'm thinking too.

The internal dimensions of the rear sump floor, is not overly large, and I'm placing the pick up screen in the center of the floor...close as I can.

If I made / installed 4 baffles on the sump walls, lateral baffles that are parallel to the sump floor, at a depth of say...3.5" off the sump floor, they would keep the oil from sloshing out / up the walls.

This is what the oem vw pick up tube looks like;
https://tse2.mm.bing.net/th?id=OIP.p...CwHaE8&pid=Api

I'm reusing the cone and screen for my modded tube.
If I place the tip of the cone 1/4" from the bottom of the pan, is that too close? Not sure what the gap is in the oem vw configuration.

The cone has little nubs on it's lip, to maintain a small gap in the event that the pan is hit and pushed up against the cone. Not sure how effective that would be in a hard pan floor hit however.

The actual tube opening is a good 1/2" or more up inside that cone.

Last edited by Spokerider; 05-23-2019 at 08:26 AM.
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