A ticking noise in the engine could be a number of things, Note the timing chain usually makes a rattle type noise, A collapsed lifter will make a ticking type noise, Either noise will be in-sync with engine rpm's. Low oil pressure or wrong oil filter is usually the culprit. I'm attaching a diagnostic chart and some information on engine noise. And lifter replacement below.
Please let us know what your problem is and what you did to correct it.
Valve Lifter Replacement
1. Remove the valve rocker arm cover.
2. Remove the lower intake manifold.
3. Remove the valve rocker arms and pushrods
4. Remove the lifter guide bolts.
5. Remove the lifter guide.
6. Important: Place the valve lifters in an organized order to ensure that they are installed in the same location from which they were removed.
Remove the lifters.
1. Coat the valve lifters using prelube GM P/N 1052367 (Canadian P/N 992869) or the equivalent.
2. Install the valve lifters in their original locations.
3. Install the lifter guide.
Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or the equivalent to the lifter guide bolt threads and install the bolts.
Tighten the bolts to 10 Nm (89 inch lbs.).
4. Install the valve rocker arms and pushrods.
5. Install the lower intake manifold.
6. Install the valve rocker arm cover.
7. Inspect for leaks.
Images (Click to enlarge)
Sunday, December 29th, 2019 AT 4:20 PM