1. Welcome to PlowSite. Notice a fresh look and new features? It’s now easier to share photos and videos, find popular topics fast, and enjoy expanded user profiles. If you have any questions, click HELP at the top or bottom of any page, or send an email to help@plowsite.com. We welcome your feedback.

    Dismiss Notice

tapping sound

Discussion in 'Chevy Trucks' started by medrano75, Feb 6, 2007.

  1. medrano75

    medrano75 Junior Member
    Messages: 2

    i have an 84 silverado thats making a tapping sound from the engine compartment , it happens after the truck has been running for 15- 20 mins.parked or while driving it seems to increase when i press the gas pedal
     
  2. Sydenstricker Landscaping

    Sydenstricker Landscaping PlowSite Veteran
    Messages: 3,882

    How loud is it? It may be your flywheel is cracked.
     
  3. carl b

    carl b PlowSite.com Addict
    from Ohio
    Messages: 1,330

    you may look at the idler pulley??? i don't know much about that year but its an idea
     
  4. DeereFarmer

    DeereFarmer PlowSite Veteran
    Messages: 3,296

    Maybe valves?
     
  5. derekbroerse

    derekbroerse 2000 Club Member
    Messages: 2,377

    Hard to tell without hearing it.

    Could be lifters out of adjustment or worn out, or exhaust manifolds cracked/leaking... both can show up once the truck is totally warmed up...