Pennzoil and Orangish Dust/Sludge Stuff Around Filler Cap?

[Strjock81]

When changing the oil on our 98 Chevy 2500 4x4 witht he 5.7L Vortec in it, I noticed some condensation (it isn't driven much) and also some orangish/rust colored powder looking stuff around the edges of the cap. Where the orange and condensation were mixed together, it was more like an orange goo. Truck has 140,000 miles on it, and had an intake gasket issue not that long ago that may have had something to do with residual water in the CC.

Then I changed oil in my mom's Jeep Liberty with the 3.7 in it, and it was the same way, save for any drops of condensation. It was a little bit of an orange slime, but is wasn't really wet, just barely. If it had been any drier it would have been like powder, and it was like powder around the edges. Switched oil to Motorcraft 5w-30 Syn Blend.

Both of these vehicles have always been taken to the Pennzoil quick lube in town, using 5w-30 Pennz bulk.

Any ideas?

 

[T-Keith]

If look at some of the other forums you'll notice several other posts similar to yours. This is condensation and happens a lot in the winter time because of the temperature differences. Clean off the cap and try to avoid short trips.

 

[Strjock81]

Oh I didn't realize the orange had to do with condensation, I thought condensation was just water.

 

[Drew99GT]

The orange tint to the goo is classic dexcool internal coolent leak.

 

[jorton]

When I used pz high mileage once, it was orange and it left the top of the head orange colored too. Car is an old Nissan with green coolant.

 

[Al]

quote:

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Originally posted by Drew99GT:
The orange tint to the goo is classic dexcool internal coolent leak.

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Yes that is very possible. You should an oil analysis.

 

[Tim]

I was helping my brother-in-law change the Syntec in his Hemi Ram last week and noticed this very thing in his cap.

Does Dodge use orange coolant?

Vehicle has 25,000 miles and has had Syntec and filter every 5,000. No towing, driven like a daily driver car.

I suppose I need to ask him about short trips...he lives in VA...so not really cold country.

Tim

 

[jorton]

quote:

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Originally posted by jorton:
When I used pz high mileage once, it was orange and it left the top of the head orange colored too. Car is an old Nissan with green coolant.

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I bought some more HM yesterday and I see pz took out the orange(dye?). Nowwwwwwwww, this formula is perfect.