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#1 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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99 K2500 GMC Suburban Command Unit Project
Here’s a new to me 99 K2500 GMC Suburban that was used as a command unit for a village fire department. It’s seen just 42k miles and has a 6.5L diesel L65 motor, 4L80-E auto transmission, a 14 bolt FF rear with a G80 locking rear.
No body rust that I’ve found. The rear axle Ubolts and plates are a crusty. It’s seemingly dry well maintained. I’ll give it some elbow grease, tend to a few missing or broken items, and then have the mechanics inspected. I’ve got a lot to learn about maintaining a Diesel engine.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() Last edited by DeadheadNM; 05-11-2021 at 11:03 PM. Reason: Added. |
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#2 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
More pics...
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#3 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Google Earth had images of the truck parked in front of the station with the lights on and fully badged.
My daughter is a fan ![]()
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#4 |
Registered User
Join Date: Apr 2012
Location: Falls Church Va
Posts: 77
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Re: 99 K2500 GMC Suburban Command Unit Project
That is a great looking truck, nice to have the local history about it as well.
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#5 |
Registered User
Join Date: Jan 2017
Location: Valley, NE.
Posts: 1,007
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Re: 99 K2500 GMC Suburban Command Unit Project
I'm with your daughter on this one!
Should be a great rig, never driven a 6.5 turbo, but had a couple of 6.2 N/A diesels.
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________________ 1970 GMC Sierra Grande, 2500 133" wb, 402, 4spd. 2007 GMC 3500 SRW 4x4, Crew cab, Duramax/Allison. (Sold} 1987 Chevy Suburban 2500, Silverado, 2wd, 454, t-400 2023 Chevy Silverado LT 3500, crew cab, longbox, 4x4 Z-71 Duramax. |
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#6 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Thanks for the good words guys! She's a fan.
I'm new to diesel motors and eager to learn about them. I've got an upcoming appointment w a diesel mechanic to assess the motor. I've read this motor may have issues with harmonic balancer failure so may just have that replaced given it's age. I found a couple more photos of the truck at work and will post back after the mechanical assessment.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#7 |
Senior Member
![]() Join Date: Jan 2004
Location: Olathe KS (Greater Kansas City MO Area)
Posts: 2,048
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Re: 99 K2500 GMC Suburban Command Unit Project
Very Cool Pete - Awesome first vehicle for your daughter !
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#8 |
Proprietor of Dale's Corner
![]() Join Date: Nov 2012
Location: Vacaville , CA
Posts: 16,096
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Re: 99 K2500 GMC Suburban Command Unit Project
Nice Pete, I love it!
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"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man |
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#9 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Thanks guys. It’s the second red 99 I’ve had. I’m a big fan of these 92-99 burbs.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#10 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
I found a VIN decoder service. Neat to see how many vehicles of this model were outfitted with the various RPOs and get the build date. Late model year assembly.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#11 |
All about them K’s
![]() Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,374
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Re: 99 K2500 GMC Suburban Command Unit Project
I’m in Pete, I know you’ll make it even more awesome!
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's ‘87 IROC-Z all original 50K mile survivor TPI 305 IROC Blue ‘10 Camaro 2SS/RS Aqua Blue Metallic #93 -version 2.0 ![]() |
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#12 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Tyler welcome aboard
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#13 |
6>8 Plugless........
![]() Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,140
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Re: 99 K2500 GMC Suburban Command Unit Project
That is a very clean unit! Even the driver's side seat isn't trashed. Your daughter has great taste! As long as there isn't a lot of idle hours and little blow by on the ol gal, it should be fine.
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#14 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Ryan thanks. I’ll be picking your brain about winterizing the motor for sure.
__________________
1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#15 |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,051
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Re: 99 K2500 GMC Suburban Command Unit Project
Looks like a solid truck! More info on this vin decoder please?!
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71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#16 | |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Quote:
See here: https://www.compnine.com/vid.php You can get five VIN decodes for $5. I wanted to confirm which alternator I had before ordering a new serpentine belt then did a few other VINs.
__________________
1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#17 |
I'm trying....
![]() Join Date: Oct 2013
Location: Athens, GA
Posts: 2,600
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Re: 99 K2500 GMC Suburban Command Unit Project
Everybody needs a Command Unit. Hell I wanna be a Command Unit. Love it Pete...and the Chief!
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1970 K20 Z62 https://67-72chevytrucks.com/vboard/...56#post9334756 1970 Blazer http://67-72chevytrucks.com/vboard/s...d.php?t=645076 1969 K10 SWB CST http://67-72chevytrucks.com/vboard/s...52#post8520352 1971 K20 Z84 https://67-72chevytrucks.com/vboard/...90#post9047290 1946 B.F. Avery Model A Tractor http://67-72chevytrucks.com/vboard/s...55#post8292555 "Sometimes I wonder if zander208 was even real..." |
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#18 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Welcome aboard my friend!
I’ve gathered a few parts to replace some aged or worn pieces over the next couple of weeks including oil cooler lines and a harmonic balancer.. The OE Bilstein shocks are nice.
__________________
1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#19 |
Registered User
Join Date: Dec 2014
Location: Tucson, AZ
Posts: 665
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Re: 99 K2500 GMC Suburban Command Unit Project
I like it!
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#20 |
Registered User
![]() Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,008
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Re: 99 K2500 GMC Suburban Command Unit Project
Very cool, love that body style Suburban too. At least Palmyra isn't too far away for you to go get it. If it hasn't already been done look into the PMD relocation kit- pretty common issue on 6.5L's that causes the engine to stall. Some decent info here about it
https://www.hdiesel.com/C/PMDCooler/279
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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#21 |
Registered User
Join Date: Aug 2012
Location: Northeast KS
Posts: 1,777
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Re: 99 K2500 GMC Suburban Command Unit Project
Very cool, I wish my K2500 'burb was a 6.5!
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1999 GMC Suburban K2500 SLT, 454/4L80E 1991 Z/28, 6.0L/T56 1949 GMC 250, S10 Frame, 6.0L/4L80E Instagram @aceshighspeedshop |
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#22 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,860
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Re: 99 K2500 GMC Suburban Command Unit Project
Nice looking burb. I was looking at one similar in our local craigslist not that long ago.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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#23 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: 99 K2500 GMC Suburban Command Unit Project
Thanks for the good words guys. MJN thanks for the tip. The PMD was relocated and last year new "engine seals" were added per the fire chief.
It runs and drives good but I don't have any maintenance records and know next to nothing about diesel engines so this morning I dropped it off at a local diesel mechanic shop to have the harmonic balancer and oil cooler lines replaced as well as fluids checked/changed and a general look-see. After that I'll have the alignment checked and the U bolts/plates replaced on the rear axle. I've been able to source some replacement parts for missing/broken interior pieces including replacement middle row head rests.
__________________
1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#24 |
All about them K’s
![]() Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,374
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Re: 99 K2500 GMC Suburban Command Unit Project
Good stuff Pete. Nice looking console, even better that it’s got the cup holder insert and not the CD holder. Good call on the oil lines, they can be a real pita to keep from leaking sometimes.
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's ‘87 IROC-Z all original 50K mile survivor TPI 305 IROC Blue ‘10 Camaro 2SS/RS Aqua Blue Metallic #93 -version 2.0 ![]() |
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#25 |
Proprietor of Dale's Corner
![]() Join Date: Nov 2012
Location: Vacaville , CA
Posts: 16,096
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Re: 99 K2500 GMC Suburban Command Unit Project
It's gonna be very nice, the little touches make the difference.
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"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man |
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