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Lost & Found

Lost: Small black and white tortoise shell cat, 1-1/2 years old, since Aug. 8, Country Hills area, La Vernia, very friendly, "Cinnamon" but responds more to "Kitty," rhinestone collar with bell, shots and spayed, family loves and misses her terribly. Reward! 210-725-8082.
Our beloved Gracie is missing since October, Dachshund/Lab mix, microchipped, about 30 pounds, black with little white. $1000 reward for safe return. Call with any information, 830-393-9999 or 419-250-9099.

Videofound in eagle creek with a collar no tags. very friendly non aggressive. call if he is yours 210-844-1951. clean and healthy
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Help Wanted

Plastic Product Formers, Inc. is accepting applications for a full-time blow-mold operator. Must be willing to perform physical work in an outside environment and work 10-12 hour shifts including overtime. Must be willing to work some weekend and night shifts. Will be required to clean, set-up, operate, and monitor blow-mold equipment while also performing trimming and inspection of production parts. Includes packaging and material handling. Must pass background check and drug test. Excellent benefits offered. Fax 210-635-7999 or apply in person at 7124 Richter Road, Elmendorf, TX.
Dean Word Company needs construction laborers. Paid holidays/vacation/health ins./401k. Please contact Miguel @ 830.643.9291 We are an equal oppty employer and encourage females and minorities to apply.
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Agriculture Today


One problem can lead to many other problems




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Jeff Deines
On The Road Again
December 21, 2011 | 2,530 views | Post a comment

In an effort to stop an external oil leak, we had the oil pan off a 6.0-liter Chevy engine this week to reseal it with a new gasket. The only thing inside of an oil pan besides oil is a pickup tube that goes down into the “sump,” or the low place in the pan.

The oil pump sucks oil up through the pickup tube and pressurizes it against the bearings and other crucial parts of the engine, so it is considered a vital part. Once the pan was back on and the engine cranked, the low oil pressure light would come and go indicating low pressure.

Low oil pressure can be caused by a lot of factors, but this engine had good oil pressure before the pan was removed. Low oil pressure on any engine will destroy it if it gets low enough, as there isn’t sufficient lubrication to keep the engine parts from extreme friction. In doing some online research, it turns out that Chevy did a “bulletin” on the oil pickup tube O-ring on this engine -- the sealing device between the pickup tube and the oil pump.

It seems as if the O-ring flattens out over time, loses its seal, and the oil pump begins sucking in air instead of oil, starving the engine for lubrication. Once the pan was removed again, the pickup tube was removed, inspected, and was indeed pretty flat -- looking more like a band than an O-ring. Since the problem is common, the dealer had the part in stock and it was under $5. A simple sliding the old O-ring off and slipping the new one on by hand was the fix here, and the tube and pan were reinstalled.

The weird part of this scenario is we never unbolted or removed the oil pickup tube, but maybe bumped it around removing and replacing the pan. It was enough to break what little seal it had left, and the rest is history.

I bring this to your attention for two reasons. One, the Internet and dealer network are wonderful tools in helping diagnose cars and make common problems known, as discussed in a previous column. Two, if you happen to own one of these 6.0 engines, don’t let someone talk you into rebuilding it to correct a low oil pressure issue unless you are certain it is worn out and needs rebuilding. Not that most shops are crooked, but that this is a very unusual problem, and most shops would never suspect an O-ring to cause an oil pressure issue like this. Most oil pressure issues are the result of a bad oil pump, faulty sensor, or major bearing wear. The last one would make the engine a candidate for rebuilding.

Jeff is happy to respond to vehicle-maintenance questions from readers in this column. E-mail questions to nkilbey-smith@wcn-online.com.
 

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