Quote:
Originally posted by mdpisacane:
nope, 1-2 seconds after cranking it makes the noise for about 10-15 seconds when the engine is cold. it stops if you put the truck in gear and take off. however, if you stop (in gear) again while its still cold, it will continue to make the noise intermittently. put it in park or press the gas a little (foot on or off the brake) and it quits. once the truck is warmed up, you can turn it off and crank it up and its fine. mad mad mad
I had the exact same symptoms - and was going crazy in the engine bay trying to figure out where the noise was coming from.

My problem was a loose section on the exhaust - It wasn't the heat sheild but rather part of a clamp around a enlarged part of the exhaust under the drivers seat.

The loose part would rattle until the exhaust got warm and expanded enough to prevent the loose part from moving.
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Jeffrey
I'm just trying to put my tires on the rocks of life.