Seamus
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Seamus replied to the thread Thoughts on purchasing a higher-mileage Duramax?.We have a diesel Guru tech at our GMC. Great guy, has said most all you mentioned. The oil consumption is a baffle in the valve cover... -
The 10-speed and diesel are a perfect pair. I've noticed zero issues with the transmission hunting for a gear. The diesel has sooo much...
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Seamus replied to the thread Dreaded Effing lifter tap...... - SOLVED.I am at 89K and our 6.2 runs like a sewing machine. It was a well cared for rig w/ service records before us and I am a fanatic with...
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Seamus replied to the thread 2018 yukon diesel in gas tank.Diesel in a gas motor wont ruin anything. Gas in a diesel is a disaster. Needs to be flushed out and it will run fine usually with fresh...
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Unhook fuel line, power the pump to evacuate all the fuel, put gas in it and then hope for the best. I doubt it does any further damage...
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Seamus replied to the thread Glitter in the oil after the DOD delete?.It shouldnt be shedding much metal with roller lifters. I hope you used new lifter trays. The old ones once touched usually rotate a...
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Or abit crazy, LOL. I replaced the lifters & timing chain on my 150K mile 1999 Suburban the day before going on a 12K road trip with my...
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Seamus replied to the thread Engine hours.Our Escalade was bought at 72K ...and had 4000 engine hours. 1 Owner mileage confirmed by service and carfax. Turned out it was a Mom w/...
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Seamus replied to the thread 2025 Yukon Denali 25th anniversary edition!.Ridiculous pricing for a General Motors product. With the amount of lifter and cams along with bad bottom ends and fuel pump issues on...
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Seamus replied to the thread What would you do? Truck Needs Engine?.130K is low mileage for this motor. Known issues are always a lifter, or a gummed up valve from the DI system. So if a a valve is...
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At 130k that engine is barely broke in, I would definitely diagnose it before replacing it If it genuinely has low compression it won't...
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