What have you done to your square lately??

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Truck82

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Nov 2, 2024
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388
Location
Alderton
First Name
Christopher
Truck Year
1982
Truck Model
c20
Engine Size
350
Replaced the old dim rusty headlights with new Silverstars. I’m also having trouble with the passenger side turn signal/parking light. The turn signal works. Flashers work. But just having the light on doesn’t. I’ve changed the bulb too. Any idea what the problem is?
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I’ve got that same problem with the turn/parking light on my truck. Don’t know what it is so I’m also wondering what’s the cause?
 

ChuckN

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Nov 8, 2022
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Location
Bellinham, WA
First Name
Chad
Truck Year
1981
Truck Model
C10
Engine Size
350
After getting oil level back up to correct levels I was driving it to work for about three days. It was driving great! I parked it for about 3 days and then took it on a short trip to drop my daughter at a Girl Scouts meeting. It was sputtering uphill. Looked at all possible reasons even though to me it feels like the fuel isn't making it to the engine, so my first thoughts were lines gone rusty, or pump in the tank that is working is headed out...could be the filter, the spark-plugs, maybe moisture in the air filter housing, throttle body might need a clean.? Anyhuuse, I got some Seafoam and poured in the suggested oz. per gallon so half a can for 8 gallons in the tank and the truck ran great for that drive. Next ride was just a short one again(2 days ago) to get dog food and it was good until on the way home it sputtered once. Today I cranked it up to take another test ride and it sputtered several times and almost cut out on me several times. When Idle it seems fine but when taking off if you don't go super slow it started to cut in and out of getting fuel, so then straight back to the house and didn't leave the neighborhood. Poured a bit more Seafoam in just taking a shot in the dark and cranked it again. Noticeable sound difference in idle and shaking quite a bit more when put in gear>reverse>drive>park. It's parked now and I don't know if I could even make it to the garage I take it to about 2 miles away. Weighing next steps. Trying to get my nephew to come help diagnose but he is busy with with a lifter went and valve slapping around in his truck.
I’d check your fuel filter. Easy and quick to do.
 

VAL

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Joined
May 29, 2012
Posts
900
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70
Location
TUCSON, ARIZONA
First Name
VAL
Truck Year
1986
Truck Model
K10 SILVERADO
Engine Size
5.7
Just finished up the crossover steering on my rig. Added the panhard bar. OMG! What a difference in control. Even with the 24x14, and 35 15.50 R24s. UNBELIEVABLE!
 

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Ajax19

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May 11, 2022
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288
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1,081
Location
Socal
First Name
Ajax
Truck Year
1983
Truck Model
K3500
Engine Size
454
Finished the brakes(one of the new calipers was damaged where the crush washer seals) and replaced the leaking coolant hoses got belts and fan clutch should be here tomorrow along with some fuel hose I still have to drop the tank I will get to it tomorrow also slapped a air cleaner on it
 

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Mr Clean

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Aug 18, 2010
Posts
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10,415
Location
North East Texas
First Name
Shawn
Truck Year
1982 & 1985
Truck Model
K10 Extra Cab w/ Proper SWB, & 85 K5 Blazer
Engine Size
454 BBC, & 383 Stroker
Got the doner Blazer in the shop to pull the body off... it's a bit cramped in the shop at the moment. Hopefully it won't be long before the body comes off.
 

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JamesSam

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Joined
Feb 15, 2023
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1,655
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4,534
Location
VA
First Name
Sam
Truck Year
1987
Truck Model
Silverado V10
Engine Size
5.7 L 350 v8
Changed the fuel filter in my quest for diagnosis. First time on this truck for me. Fuel filter is on the passenger side, wich is opposite from any of my Eww Toob research had shown(all were on drivers). Also every video I watched must have been on 2x4's cuz my filter was annoyingly close to(behind) the transfer case which made it way more fun. Old filter had a tiny bit of grime, so glad I changed it. Unfortunately no change in performance, still sputtering and not getting enough fuel when hitting the gas on take off. If i take off slowly it drives fine but if I attempt to give it any gas like normal acceleration it sputters and thwamps and doesn't get the juice. So no miracle cure with the filter. I think I will be pulling the plugs to investigate. Possibly replacing wires I did not replace on the last spark plug swap, and possibly replacing plugs. Hoping not to find evidence of fouled plugs or oil passing through and burning up. I really want to get some better performance with something before I turn it over to a hired hand. Also am really hoping to not to find that the pump or lines are toast
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