Valve Springs
WARNING: This page is about a different car, the 1995 Jeep Wrangler and 1994 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Use Valve Spring Tester (C-647) to test each valve spring. Measure free length of each valve spring. Replace valve springs that do not meet specifications. See VALVES & VALVE SPRINGS table under ENGINE SPECIFICATIONS.