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  1. BigCope923

    Bulb Size Under Driver's Dash (1990 C1500)

    I want to do a LED conversion for the interior lights in my 1990 Silverado. There is a bulb under the driver's dash that comes in when you open the door along with the dome light. Can someone tell me the size of the bulb that's under the dash? I've done some web searches and on here and can't...
  2. BigCope923

    Rough Idle

    A few days ago I pull up to the gas pump and my truck stalls out. Never did that before and I didn't think too much of it. Filled up on regular unleaded fuel at Sam's. I put in 10 gallons to top it off. The truck sputtered once or twice on my way to my next stop. I'm thinking that maybe the gas...
  3. BigCope923

    02 Sensors for 1990 Silverado

    My engine maintenance light is staying on. My mechanic said that it was the 02 sensor. He replaced it, but the light is still on. He also said that the truck only has 1 oxygen sensor. Is it true that my 90 Silverado only has one 02 sensor??
  4. BigCope923

    Coolant Reservoir

    I have a 1990 C1500 Silverado 5.7L V8. I notice that when I fill up the coolant reservoir the coolant disappears after about 250 miles of driving. So I have a few questions. 1. Am I supposed to fill up the reservoir with coolant? 2. Does the coolant not staying in the reservoir indicate that...
  5. BigCope923

    New Engine for 90 Silverado C1500

    Hello Folks, I have a 1990 C1500 5.7L (350) that has a seeping head gasket. I've been advised by 3 mechanics that if I plan on keeping the truck it would be best to replace the engine. The problem now is selecting which engine to go with. Therefore I would like to get some advice from some...
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