overheating

  1. Obs-

    Coolant leak

    I have a 1988 K1500 with the 350 TBI and ive had a coolant leak that would drip around the starter area. I would top it off but so it would stay level. 2 days ago i was driving then my temp spiked so i pulled over and turned off my truck . my trucks idle didnt sound weird no knocks to odd noises...
  2. F

    Electric Fan Conversion for a 1994 C2500 454 – Setup for Extreme Heat?

    Hi everyone, I have a 1994 GMC C2500 with the 454 big block, and I’m considering converting from the mechanical clutch fan to electric fans. In my country summer temperatures can reach around 48°C (118°F), so cooling at idle is very important. Currently, I’m running the truck without a...
  3. T

    Cooling System Issues?

    Hi everyone, I just had the radiator in my '93 L19 Suburban replaced by a local shop, and as I've been daily driving it the past couple days (abt 4.5 mi, mostly uphill) , I noticed the truck now consistently runs at 140-160. Before I had the radiator replaced, it would always run at around...
  4. GMT400N00B

    *Solution Pending* Overheating issue, can't figure it out.

    Longish post, been doing a lot to chase this problem. So I want to give as much detail as I can. Ok, so I just purchased this 1990 GMC K1500 350 TBI about 2 months ago and have been chasing this ever since. Long story short: previous owner deleted the aluminum heater hose that goes to the...
  5. R

    94 C1500 Suburban 350 Brake and Overheat Issues

    The truck has no rear brakes, overheats, has no heat inside. I have drained and filled the rad/engine as well as washed 3 times. First time I drained the rad with the OG coolant inside it was brown (Someone used water), I filled with distilled water and the prestone rad cleaner and ran for 2...
  6. wavesillusion

    Over heating.. I’m stumped!

    Recently started to restore my late father’s 1994 GMC 1500 5.0L 305 TBI. Had a battery draining issue with aftermarket alarm system. Had that removed starts up flawlessly. Replaced all leaks as follows- water pump, thermostat, temperature sensor, radiator flush and all hoses replaced, manifold...
  7. Samuel Churchill

    94 Blazer Coolant Temperature Fluctuating

    Hello I have a 94 Blazer that has an unusual problem of the gauge jumping up to 260 degrees and then after a couple of seconds dropping back down to 210. This will happen at cruising speed, in town, and even at idle. I replaced the thermostat as well as the coolant sending unit in the head. The...
  8. brycebba

    5.7 from 99 GMC Yukon having heat issues

    Ok so hear is my flood of information. I transplanted a 99 GMC Yukon 5.7 of mine into my 97 Jeep Wrangler TJ. I had the engine rebuilt while it was out but no performance changes made. Here is the current configuration. AC condenser is in front of radiator Then a 4 core radiator with left side...

Latest posts

Members online

Total: 2,129 (members: 32, guests: 2,097)

Forum statistics

Threads
77,749
Messages
1,639,344
Members
80,330
Latest member
GlassmanSC
Top