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Chevy C/K Series Maintenance and Repair



  • I've "inherited" a 91 5.7L manual 1500 with 215,000 miles recently. The engine and most parts were covered in caked on grease and old oil. I cleaned it off, flushed the engine and changed the oil/filter, replaced the PCV valve, thermostat, and air filter. Noticed when I started it up that the oil pressure will be at 30psi at idle and then max out over 60psi when I step on the gas. I also will pop the PCV valve out of the valve cover doing this which is why, I think, the engine was covered in old oil. No oil leaks observed yet and not blowing any blue or white smoke out of the tailpipes.
    Anyone know what is causing the high oil pressure and excessive blow by gases?
  • my 86 chevy truck has duel tanks once opperated by mechanical pump. the new 454 block doesnt allow me to stay mechanical so need to go electric. what will i need to acomplish this task
  • xwesxxwesx Fairbanks, AlaskaPosts: 10,870
    Is this a carbureted engine? My guess is the easiest way to go would be an in-line electric fuel pump and a regulator. But, depending on the application and/or pump, the pressure regulator may not be necessary. I think it would be in your best interest to talk with a professional mechanic or a performance shop, again, depending on your intended application.
    2014 Audi Q7 TDI, 2008 and 2013 Subaru Forester(s), 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup
  • 1999 chevy 4x4 locks up in park. any ideas?
  • xwesxxwesx Fairbanks, AlaskaPosts: 10,870
    Likely a problem with the shift interlock. That vehicle will have a requirement that you must press the brake pedal in order to shift out of park. If the switch/sensor is defective, the interlock will not release.
    2014 Audi Q7 TDI, 2008 and 2013 Subaru Forester(s), 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup
  • I am contemplating a purchase of an older work truck and would like to know if anyone knows the engine life of the 1995 2500 cheyenne 5.7 liter engine. It is a rear wheel drive. Also I was wondering if I should be aware of any problems in the 100000 mile mark.
  • Seems to have a cracked piston, bad rings, or a hole in the piston. I'll need to tear the engine down but it'll probably be easier to buy a rebuilt short block.
  • 0patience0patience Oregon CoastPosts: 1,593
    Well, as with any vehicle with lots of miles, there is a ton of things that can be a problem.
    Check the vehicle out pretty well. Pay special attention for leaks on the engine, color of the oils, the condition of the radiator, see what the coolant looks like and make sure that the differential yoke has no up and down movement.

    I have a 93 Silverado and have 270,000 miles on the original engine.
    I've had to replace the radiator, rear end, heater core and water pump.
    If the cooling system was taken care of, you may not have any problems with it.

    As for repairs on that truck, with exception of the automatic transmission, most repairs can be relatively inexpensive, compared to some newer vehicles.
  • i just got this truck i was used as a plow truck it has eletric locks i dont now anything about this how do you lock it in i put in 4 hi or lo and get the back tires to spin on ice and the front never spin is there a switck yes this has the 6.2d auto trany no switch on the dash for 4x4 the old truck had manual locks i have no book i just put all the ball joints in this myself so i can do repair work
  • I drive an 86 C10. the engine brifly shuts off when the rpm are between 2500 and 3500. if you hammer it is fine and the same goes for low rpm's. i know for sure i need a water pump, that is on the way. could this be related? it was just purchased 4 weeks ago, new cap/rotor, plugs, pcv. could it perhaps be the fuel filter? any help would be appreciated
  • hey, i have a 76 chevy shortbed stepside with a 350 in it. i was revving the engine up the other day i it started knocking, i was told it was prob the lifters. i replaced them and cleaned up the motor a bit but when i put it back together and started it the knocking was still there. any ideas? someone told me it could be because the rocker arms arent torqued right.
  • K.O My Chevy C 2500 has 66psi fuel pressure, good compression, and spark on all plugs but still wont start??? :lemon:
  • What transfer case is on an 81 K10. Is it all time 4 wheel drive or not?
  • The horn quit working on my 05 Chevy D/A. I have checked the fuse located in the fuse box under the hood, next to the driver side battery. The 15 amp fuse was good as well as the horn relay mounted next to the fuse. Has anyone else had a similar problem? What is the fix and how much will it cost to repair?
    Califasramsfan. :shades:
  • tex64tex64 Posts: 1
    hey im have a problem i just did a tune up on my truck figuring it would stop the chuggin and it did for a lil while but now everytime i push the gas pedal down about lil more then 1/2 way its starts shaking and goin crazy and i cant figure out what it is. can anyone give me an idea of why its doin this?
  • HELP!! My step dad has given me his 1995 chevy. but of course it came with a problem. The alarm system engages itself and the hazard lights on the truck flast constantly. when the alarm is engaged I cant turn the truck on or anything. I dont have the clicker thing to turn the alarm off and the constant hazard ligths are causing the battery to die. I have removed the fuse for all the lights in the truck but sure enough they keep on flashing. I was wondering if anyone has any idea on how to disarm the alarm or a wiring diagram for the truck.. any help is much appreciated... Thanks.. :cry:
  • wjr50wjr50 Posts: 1
    I have a 1998 Chevy C1500 W/T automatic. It starts fine when I first start it & it runs smoothly. When I put it in gear & move several feet, the first couple of times it shuts completely lights, nothing..everything dead. I wait about a minute or 2 it will start right back up again, lights & all. After several times of completely shutting down & get it going again...I am then able to move it around in our drive way with no problem (forwards & reverse). I haven't notice it completely shutting down in reverse though come to think of it. Any suggestions? & I haven't driven it down the road since this started..kind of affraid to.
  • I have a 2000 k 2500 with 5.7 that will not start sounds like the timing is advanced win I try to start. would like to know if there if some electronic control that would go bad that would do this or if they are known to jump time. It has 146000 mile on truck
  • wg61260wg61260 Posts: 1
    i have a '92 silverado, 4.3 .I am getting a code of 22,33, 45...all these things are brand new . truck starts but will not accelerate with tps unplugged and map clamped off...with tps and map connected will not stay running
  • herlihyherlihy Posts: 2
    Hi, I am now wondering if you located the fuel guage problem I too have the same one.
  • herlihyherlihy Posts: 2
    I am trying to help out a pal with a 1988 chevy truck with duel tanks and trying to identify why the thanks switch but the guage stay at 1/4 tank in either position, before I looked at it the dash switch and transfer valve were changed, I can make the guage go to full in either position by grounding the sensor line at the tank the problem is grounding either will work no matter what position the switch is in. its the early fuel injection system so I done want to change the float assemblys unless Im sure and I have removed and tested the guage
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