Ticking / knocking when cold under load
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Logistics Pro
Joined: Jan 2002
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From: GANS
Ticking / knocking when cold under load
Hi all—
I have a 2016 F150 with a 5.0 Coyote. It has about 165k miles on it. It’s been a good truck.
Lately, I’ve noticed under light acceleration when the truck is cold, it will have a tapping/knocking sound driving under light load. This seems to go away when it is up to temperature. If I leave off the gas, the noise goes away, instantly.
I am guessing that it could be piston slap. However, I know the timing tensioners can be an issue. I’ve search around, and most problems are referring to new motors
thanks
I have a 2016 F150 with a 5.0 Coyote. It has about 165k miles on it. It’s been a good truck.
Lately, I’ve noticed under light acceleration when the truck is cold, it will have a tapping/knocking sound driving under light load. This seems to go away when it is up to temperature. If I leave off the gas, the noise goes away, instantly.
I am guessing that it could be piston slap. However, I know the timing tensioners can be an issue. I’ve search around, and most problems are referring to new motors
thanks
Lead Driver
Joined: May 2015
Posts: 5,872
Likes: 357
From: Mts. S. of San Francisco
Hi all—
I have a 2016 F150 with a 5.0 Coyote. It has about 165k miles on it. It’s been a good truck.
Lately, I’ve noticed under light acceleration when the truck is cold, it will have a tapping/knocking sound driving under light load. This seems to go away when it is up to temperature. If I leave off the gas, the noise goes away, instantly.
I am guessing that it could be piston slap. However, I know the timing tensioners can be an issue. I’ve search around, and most problems are referring to new motors
thanks
I have a 2016 F150 with a 5.0 Coyote. It has about 165k miles on it. It’s been a good truck.
Lately, I’ve noticed under light acceleration when the truck is cold, it will have a tapping/knocking sound driving under light load. This seems to go away when it is up to temperature. If I leave off the gas, the noise goes away, instantly.
I am guessing that it could be piston slap. However, I know the timing tensioners can be an issue. I’ve search around, and most problems are referring to new motors
thanks
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Logistics Pro
Joined: Jan 2002
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From: GANS
that also gives me an idea to check the data pids for a alcohol content. It is a flex fuel model— chevies get stuck sometimes, and I’ve been running 87 in it most of the winter.
Thread Starter
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Logistics Pro
Joined: Jan 2002
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From: GANS
that’s a good idea. My 351 used to do that. I’ll give it a look. Hopefully it is better than changing exhaust manifolds on a 5.4L jellybean.
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