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  1. R

    TBI flooding when on a full tank

    Presuming you have a return line, need to check fuel pressure. 9 to 13 psi (1989 5.7 TBI). Pressure regulator inside TBI.
  2. R

    Believe i have a 95 with the wrong gauge cluster and steering colum

    When all else fails, pull cluster and check the part number. I am sure GM dealer can cross ref to vehicle. If you have the factory service manual, the cluster is extremely complicated. On my old 89 it has settings for tire size, not sure that feeds the engine computer. Point being whatever...
  3. R

    Truck not turning over

    The setup is not factory. Since this post appears to be from UK, it is possible owner might not have been able to get a GM starter so he attempted to fix it externally with a Ford external solenoid or someother starter that fit. I would be curious to see the actual starter setup. On my GM a...
  4. R

    Truck not turning over

    I have a 1989 K1500 5.7 the second picture appears to be the oxygen sensor connector.
  5. R

    Had intake leak and now what

    Go to Car-Part.com for junkyard listings.
  6. R

    Hey Guys I Need Help Quick

    I have OTC Genisys (system 4 software) with OBD1 adapters for GM, works okay. These are cheap on Ebay, but long obsolete. Better investment would be the newer Bosch 1200-1300 scanners with OBD1 adapters. Keep in mind the data in the old ECMs was pretty basic compared to OBD!!.
  7. R

    I need mental help!!! What should I do?

    Let sleeping dogs lay!!! However if he is a glutton for punishment, let him run wild and learn from it. In the end he will have thrown good money after bad and have a truck not worth any more than when he started, possibly less if it does not run right. My advice would be to sell what he...
  8. R

    O2 Sensor? 1989 C2500 5.7

    I have a 1989 K1500 5.7. Presume it is same setup as yours. Color of wire to O2S is purple. The O2S wire is black. The connector is about 5" from the vacuum hose that comes off the brake boost. It comes out of the big wiring harness at the firewall. Open that harness and you should find a...
  9. R

    I can't safely crack open the bezel, your advice, how can I recalibrate the gas gauge needle?

    Just went thru this with my 1989. It is probably similar. Before you go crazy on the dash gauge, make sure it is that. Go to fuel tank electrical connector. Disconnect it. Gauge should read F or more. May have to turn on ignition. If not check for power on one of the leads. Not sure what...
  10. R

    Suburban driving me crazy!!!

    When you say you replaced all sensors, did you use OEM GM or something else? If you watch the YouTube Videos, techs go crazy if you do not use OEM GM. We all like to save a buck, but sensor quality is questionable. That being said, do you have the old original sensors. If so try them again.
  11. R

    1989 Chevy C1500 Engine Problem???

    Disconnect serpentine belt and see if still makes the noise. If it still does pull one plug cable at a time to see if problem is in just one cylinder. Do compression test of all cylinders. Good investment is a leak down kit that helps isolate where it is leaking. Any smoke coming out of...
  12. R

    What is this plug and where does it go

    If wire is white, possibly tach connector.
  13. R

    Need help, where does this 2 wire plug into?

    The picture does not show the power steering pump on that side of the engine, so not sure the EVO would be for that. If you can get electrical schematics for the K1500 that should show you what is in that area. Note the color of the wires to that connector and matchup with the schematic to...
  14. R

    Jeep Hauler 1990 K3500 Dually

    Agree, save what you have. Reading wiring diagrams is not easy. I have found the best way to work on wiring is to use the color coding of the wiring as a guide. As for the tangle under the dash, I would be tempted to at least shorten each wire before you just cut it out and then find you need...
  15. R

    Is the EGR. Delete good

    Late to the game, but the issue of PINGING got my attention. Most posts here and there, only talk about the EGR valve. It is a key part to prevent pinging, so deleting it can cause damage. Well here is my pinging problem. 1989 Chevy K1500 5.7 110k. Pings under load. Knock sensor was...
  16. R

    Need opinion on brake drum quality

    Seems you probably answered your own question. I hate squeeks, rattles, ticks and knocks. As a result the gods of mechanical maintenance grant me more than my share. In your case it will be a process of elimination. New drums are cheaper than bearings. I presume you checked wheels for...
  17. R

    Hey Guys I Need Help Quick

    Did not see anyone mention checking timing (idle and fast), use vacuum gage. What is condition inside distributor, plugs, wires. All else fails check compression.
  18. R

    Brake pedal goes to the floor after new shoes

    Not sure I get your logic of jacking up the the rear wheels. Seems to me that would prevent master from getting all the air out. Need to have vehicle level to bleed. MC is usually highest point in the brake system. Not all MC are level so have to take that into consideration. Not sure...
  19. R

    Idk whats going on

    If distributor is new, did you install that correctly? Easy to have one tooth off and still run. Or reinstall wires wrong. If it ran okay after the install, you need a scanner to get timing right (not a timing light). Scanner reads cam offset which is tricky to get right. Also the...
  20. R

    Need Advice on Headliner

    Just did the headliner in my 1989 K1500 single cab. Get headliner specific material with foam backing. I got mine off Ebay. Arrived with lots of permanent creases so had to get seller to resend which they did. Second shipment not much better, but I applied tension while installing and it...
  21. R

    Quieter upgrade?

    Have the same vehicle/engine. Just went thru this with my truck. Ended up going to local muffler shop to install the quietest muffler. Cost was $500 (used existing cat) Not sure of brand, but some thoughts to consider. Original system used 2.5 inch pipes with dual pipe out of the passenger...
  22. R

    Problem with temperature gauge

    Go back to basics before you go full bore , like me, I usually overthink a problem. Start with the worst case and then back to simple. Do you have a scanner? Absolutely mandatory nowadays. Go to engine data and watch the engine temp. More reliable than the dash gage. I would first pull the...
  23. R

    Hesitation completey at a loss

    Any chance your distributor might be acting up. Did not see if you worked on that. These wear and main fix is just to replace.
  24. R

    Brake pedal goes to the floor after new shoes

    I did not read all the posts, so missed that you redid the front calipers as well. Any chance you forgot to install the copper washers at the calipers? In fact if you did, possible the new ones did not seat enough. I have had to reuse the old ones as the new ones would not seal. My very first...
  25. R

    Brake pedal goes to the floor after new shoes

    This may be off base. Presuming all was well before you started on the back brakes, not sure how the MC had anything to do with it. So I am thinking the problem is at the back brakes. I would be inclined to think the wheel cylinders were shot. As the brakes wear the cups in the WCs get...

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