Recent content by Kirth Gersen
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1999 Chevy Tahoe Engine swap California
Calif CARB (California Air Resources Board) is a miserable, over-reaching bunch of tyrants. I would research this very carefully. Even if you pass the "sniffer" test on dyno, if some sharp-eyed smog tech notices you have substituted a non-OEM engine, then CARB is notified & you're possibly...- Kirth Gersen
- Post #3
- Forum: Engine & Drivetrain
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Remanufactured Jasper NP241 or let local shop rebuild?
Thanks for all the advice. I decided to install a used transfer case, the total labor + parts is mid-$1100s , and the local shop provides a 90-day parts & labor warranty. The mileage isn't known, but w/ 90-day warranty it shouldn't be too bad. I will keep the old case (no core charge), just in...- Kirth Gersen
- Post #6
- Forum: Engine & Drivetrain
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Remanufactured Jasper NP241 or let local shop rebuild?
1994 K1500 Blazer, 250K miles, led a very gentle life. No towing, no offroading, stock suspension. Last night, truck started making horrible, "grinding gear" noises when I slowly accelerate from a stop. A local mechanic has traced problem to the NP241 transfer case. No external cracks or leaks...- Kirth Gersen
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- Replies: 7
- Forum: Engine & Drivetrain
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Double-flare Hell
I've used a "pro" grade Ridgid brand double flare set & never had problems on ordinary steel brake tubing tubing. Stainless tubing, OTOH, is nearly impossible without hydraulic-assisted, very $$ tools. A special copper-nickel alloy -- a common trademark name is "Cunifer" -- has been used for...- Kirth Gersen
- Post #6
- Forum: Engine & Drivetrain
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how to identify transfer cases at risk for "pump rub" ?
Well, I found a few cross references of transfer cases used on specific car models & drive trains ... and it seems to be ALL 4WD GMT800 vehicles are at risk :-( eg, http://www.fourwheeler.com/features/1406-transfer-case-spotters-guide/...- Kirth Gersen
- Post #3
- Forum: Engine & Drivetrain
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how to identify transfer cases at risk for "pump rub" ?
I've been shopping for a MY 2004-06, K2500 Suburban, and have recently learned about the transfer case "pump rub" problem. Is there any particular case or cases that suffers from "pump rub" failures? This webpage...- Kirth Gersen
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- Replies: 3
- Forum: Engine & Drivetrain
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K2500 rear axle identification
I've been searching for a very low mileage 2004-2006 K2500 Suburban for months, without much luck. A photo of one seller's Suburban was missing the center lug nut covers on both rear wheels (but front wheel covers were present). On pic below, is this a stock rear axle? I've never looked at one...- Kirth Gersen
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- Replies: 1
- Forum: Engine & Drivetrain
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Thinking of Buying a 00-06 NBS Tahoe/Suburban? Look Here
As to why "Correction: Replace all the intake manifold bolts" about the only thing that makes sense to me, is if the female threads are through-holes (not blind) into the lifter valley, or into the head's rocker arm area. Then, - intake manifold vacuum, combined with - faulty or no sealant on...- Kirth Gersen
- Post #81
- Forum: General Discussion
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Thinking of Buying a 00-06 NBS Tahoe/Suburban? Look Here
well, did some interwebz searching and GM acknowledged a problem and had an early 2000s TSB on the 8.1L engine's excessive oil consumption. Couldnt find the original TSB but it is mostly reprinted here: http://www.gm-trucks.com/forums/topic/26737-oil-consumption/...- Kirth Gersen
- Post #80
- Forum: General Discussion
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Thinking of Buying a 00-06 NBS Tahoe/Suburban? Look Here
Where does the oil go? Into combustion chamber & prematurely foul the plugs? Sucked thru PCV valve and coat insides of throttle body & intake? Can't think of where else oil would go.- Kirth Gersen
- Post #78
- Forum: General Discussion
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Thinking of Buying a 00-06 NBS Tahoe/Suburban? Look Here
Do the 8.1L (L18) engines and 4L80E transmissions have any known risks or weaknesses — like the castech head cracks that affect some of the GMT800 small blocks? I'm considering a 2001 Suburban 4wd 2500 with 59K miles and the 8.1L drive train, but issues like Castech heads would be a nightmare...- Kirth Gersen
- Post #74
- Forum: General Discussion
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Radio gadgets can steal a car
It annoys me when auto "journalists" complain that such-and-such car is "dated" and "not modern" when it -- gasp! -- needs a key to start it. The 'journalists" breathlessly gush about every new gimmick, and can't be too harsh, else their magazine/website wouldnt get advertising dollars from the...- Kirth Gersen
- Post #4
- Forum: General Discussion
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Getting Rid of 2016 Yukon Denali for 2009-2014 Tahoe LTZ
What model year did GM implement "Direct Injection" (DI) fueling? That seems another risky, maintenance & repair nightmare. AFAIK very few have racked up enough miles to get a good database of DI reliability issues.- Kirth Gersen
- Post #16
- Forum: General Discussion
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$700 for rear tail light replacement???
LEDs are a stupid "solution" in search of a non-existent problem. Instead of a $2 incandescent bulb that needs replace every couple years, now it's a multi-hundred $ repair. I'd be trying to retrofit back to ordinary $2 lamps. http://www.eenewsanalog.com/news/big-lie-about-led-lighting The...- Kirth Gersen
- Post #20
- Forum: Exterior
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anyone find a larger oil filter?
Many years ago I switched my vehicles to Baldwin brand filters. USA-made and much heavier duty construction than retail store filters. Also Baldwin has much better anti-drainback valve than most other brands (if filter uses a valve). Blow with your mouth, into the center filter hole, and...- Kirth Gersen
- Post #14
- Forum: Engine & Drivetrain
