5.3 with ticking at all temps
10-25-2016, 07:18 AM
#1
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5.3 with ticking at all temps 5.3 with 260,000 miles always full synthetic changed on schedule. Lately ticking at all temps and speeds. Seems to be slowly getting worse. Lifters? Critical?
10-25-2016, 07:25 AM
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10-25-2016, 02:55 PM
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Originally 5w30 but the last 12 K- 10w30. No difference in noise. The noise is more difficult to hear under the hood at idle but clearer inside the cabin at all speeds-at least until road noise increases. Engine seems to run strong as ever and gas mileage still the same.
10-25-2016, 03:14 PM
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Not so dumb! That thought occurred to me too. If it was exhaust, I thought I would be better able to hear with my head under the hood but not so. Will certainly further vet that idea before I do a top end on it though!!!! Thanks.
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10-25-2016, 10:16 PM
#8
Have someone hold a wet rag over the exhaust tip to increase pressure while you listen for a leak up front.
Then, make sure at that mileage you aren't scare to try 5 quarts of shell rotella 15/40 with 1 bottle of Lucas oil stabilizer. See what that does.
Then, make sure at that mileage you aren't scare to try 5 quarts of shell rotella 15/40 with 1 bottle of Lucas oil stabilizer. See what that does.
10-26-2016, 08:41 AM
#9
Originally Posted by Marquiscmw
Originally 5w30 but the last 12 K- 10w30. No difference in noise. The noise is more difficult to hear under the hood at idle but clearer inside the cabin at all speeds-at least until road noise increases. Engine seems to run strong as ever and gas mileage still the same.
10-27-2016, 05:46 PM
#10
A lot of exhaust leaks will get louder under load so have someone put it in gear and give it a little gas or little revs and see if it gets louder. If so probably an exhaust leak.
These trucks are notorious for broken exh manifold bolts too. Unfortuantely they are fairly well known for lifter failures, especially the DOD/AFM motors.
The lifters are critical yes, so try to diagnose as soon as possible. They longer they go the more damage is done and the more metal that will be floating around in the motor.
These trucks are notorious for broken exh manifold bolts too. Unfortuantely they are fairly well known for lifter failures, especially the DOD/AFM motors.
The lifters are critical yes, so try to diagnose as soon as possible. They longer they go the more damage is done and the more metal that will be floating around in the motor.
11-03-2016, 09:11 AM
#11
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Like said above, lots of broken manifold bolts from the factory...
I would almost bet on lifters, majority of the cars I work on are lifter related issues. only a very few have been rockers or exhaust leaks...
I would almost bet on lifters, majority of the cars I work on are lifter related issues. only a very few have been rockers or exhaust leaks...