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1999 Chev Silverado Sticking - Engine
Question: Can I clean a sticking throttle (valve) on my Chev 5.3 liter engine with 83, 000 miles. Dealer wants $150 to do it.
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Technican: Excellent work Larry!! I'm very glad to have been your coach in this matter.
Owner: It worked just beautifully. I had almost forgotten how smooth my truck could accelerate. This cleaning and a replaced set of tires, and it runs like a new Cadillac. Thank you so much.
Larry
Technican: I'd sure like to hear from you!!
Technican: Sure you can!! You'll need a spray can of choke cleaner, a small acid core brush or equivalant, some rags and a cool temp light such as a flashlight or floresent drop light .
In a well ventalated area, remove the air inlet duct as needed to access the throttle valve and bore. With the key 'OFF', prop the throttle wide open so you can get to the coking built up on the valve and throttle bore. Use your light to inspect where the valve and bore touch when the throttle is closed.
Wear eye protectiuon and spray the identified area to wash loose the coking. Scrub the bore and valve as needed with your brush and wipe what you can reach with the rag to get the junk out of there. Spray the rag itself and wipe the valve and bore 'til you like what you see and its' as clean as possible.
Close the throttle and operate by hand to check your work. Works smoothly without sticking?? You're done. Reassemble and prepare to start the engine.
Clear the area of spectators as exhaust fumes will be heavy and smokey on start-up. Not a good idea for children to be around.
Press the accelerator about 1/3rd down and crank the engine 'til it starts. It will be stubborn at first due to an overly rich air/fuel mixture. Once the engine clears this excess chemical out, you're road ready.
The $150 at the dealer often includes flushing the fuel injectors too. You may find a fuel addative to put in your fuel tank to be adequate to keep things humming.
Does it run good? Throttle smooth to come off idle? Done!!
Technican: Larry, will you please take the time to close this question out? It will help me to continue helping others. I do perceive you are happy with the results.. Here's How To Get Guaranteed Solutions In Minutes
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