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  1. Challis350

    Why does my fuel tank look different to everyone else's?

    Hi all Removed the p/s fuel tank on my '85 Square over the weekend. I've never been able to pump from it using the switch in the cab and the fuel sender isn't grounded so shows a silly fuel reading. I decided to remove it over the weekend. I always thought the box shape of the tank was...
  2. Challis350

    Losing coolant (video) 86 350

    Hey all Drove from Seattle to Vancouver, BC over the weekend. Was rather alarmed to see the expansion tank empty when I arrived. Re-filled up rad with coolant, started engine, only to see lots of coolant escaping underneath. As it was 33/91 degrees this weekend I was watching the temp gauge...
  3. Challis350

    Scratching noise from the steering column when driving [Video]

    Hey guys. I have an irritating scratching noise coming from the steering column when i drive over 10mph. It is loud when the car is cold and gets quieter when warm (but never goes away). It sounds like a bearing failure of some sort. Does anyone know if this is a known problem that can be...
  4. Challis350

    86 GMC C2500 - Heater blows hot, then cold, then hot, then cold etc.

    Hey guys The heater in my '86 won't pump out hot air for any sustained period of time. It will blow hot for about a minute, then blow cold air for ten minutes. repeat. This is the case on any fan speed and location. I can't seem to find any other threads on this. Does anyone know what the...
  5. Challis350

    New Retrosounds radio won't even turn on? (also what is the grey wire?)

    Hey guys I've got a 1986 GMC C2500 and i've got the corresponding Retrosounds radio. All the speakers are in and i've attached the relevant wires to the speaker harness provided. My problem is with the power harness. On the retrosounds power harness I have black (ground), Yellow (12v...
  6. Challis350

    Fuel only gets to engine when tank is out of the vehicle

    Hi all. I have a 1986 GMC C2500 with a 350 & Quadrajet carb. Was running perfectly before i started work on it. I changed the fuel tank over the weekend as the old one had become rusty and was leaking fuel. What i thought would be a one day job took three as the mounts and the tank straps were...

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