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[GMCnet] Broken oil dipstick tube [message #274244]

Tue, 24 March 2015 06:25

Advanced Concept Ener

Messages: 112
Registered: December 2014

Karma: 0

Senior Member

Driving down the road on a test drive oil pressure started dropping and valve lifters started tapping. Stopped and checked the oil and got no level. I checked it again and still no level. Only had 60 miles since oil change. It's a 455. Added three quarts and still no level. Dip stick was hard to install and found tube loose. Found tube separated from the block. How much oil is this likely to leak out. Can I expect the oil to blow out the opening? If so this would explain my oil loss issue last year. How is this best fixed? Is there a possibility that a piece dropped into the pan? Do I have to drop pan to fix?

Jon Darcy ACES
North Jersey 76 stretch, flares, 4 bag, Alcoa's, bunkhouse,MAC Dash
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Re: [GMCnet] Broken oil dipstick tube [message #274257 is a reply to message #274244]

Tue, 24 March 2015 08:16

wally

Messages: 643
Registered: August 2004
Location: Omaha Nebraska

Karma: 5

Senior Member

Advanced Concept Ener wrote on Tue, 24 March 2015 06:25

Driving down the road on a test drive oil pressure started dropping and valve lifters started tapping. Stopped and checked the oil and got no level. I checked it again and still no level. Only had 60 miles since oil change. It's a 455. Added three quarts and still no level. Dip stick was hard to install and found tube loose. Found tube separated from the block. How much oil is this likely to leak out. Can I expect the oil to blow out the opening? If so this would explain my oil loss issue last year. How is this best fixed? Is there a possibility that a piece dropped into the pan? Do I have to drop pan to fix?

Jon Darcy ACES
North Jersey 76 stretch, flares, 4 bag, Alcoa's, bunkhouse,MAC Dash
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Jon, There is a lip on the tube so it wouldn't fall inside. pics
http://www.gmcmhphotos.com/photos/member-galleries/p28372-engine-oil-dipstick.html
http://www.gmcmhphotos.com/photos/455-oil-pan-capacity/p10801.html
Here are pics of replacement
http://www.gmcmhphotos.com/photos/engine-oil-dipstick-tube/p33970-dipstick-tube-removal.html
Ours was in sad shape when we got it. Bought one from Cinnabar for around $17 in 2005 before I knew of other vendors. I have seen owner fabricated replacements from stainless. I bet Jim Kanamata has them.
HTH

Wally Anderson
Omaha NE
75 Glenbrook

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Re: [GMCnet] Broken oil dipstick tube [message #274259 is a reply to message #274244]

Tue, 24 March 2015 08:31

SeanKidd

Messages: 747
Registered: June 2012
Location: Northern Neck Virginia

Karma: 4

Senior Member

Jon, my dipstick tube broke on the way to Virginia Beach last year, Stephanie had the brilliant idea to use an earplug in the hole, the earplug formed itself to the tube and did not leak, the heat did not bother it and we completed our trip without any problems. I replaced mine with a flexible Lokkar tube for an LS1... Google olds 455 dip stick lokkar...the hotrodders do it all the time. But you have to lift the hatch every time.

Sean and Stephanie
73 Ex-CanyonLands 26' #317 "Oliver"
Hubler 1-Ton, Quad-Bags, Rear Disc, Reaction Arms, P.Huber TBs, 3.70:1 LSD Honda 6500 inverter gen.
Colonial Travelers

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