NVH troubleshooting Chart

If necessary, repair or replace these parts.
| Location of noise | Type of noise | Operating condition of engine | Source of noise | Check item | |||||
| Before warmup | After warmup | When starting | When idling | When racing | While driving | ||||
| Top of engine rocker cover cylinder head | Ticking or clicking | C | A | A | B | Tappet noise | Valve clearance | ||
| Rattle | C | A | A | B | C | Camshaft bearing noise | Camshaft journal oil clearance Camshaft runout | ||
| Crankshaft pulley cylinder block (side of engine) oil pan | Slap or knock | A | B | B | Piston pin noise | Piston to piston pin oil clearance Connecting rod bushing oil clearance | |||
| Slap or rap | A | B | B | A | Piston slap noise | Piston to cylinder bore clearance Piston ring side clearance Piston ring end gap Connecting rod bend and torsion | |||
| Knock | A | B | C | B | B | B | Connecting rod bearing noise | Connecting rod bushing oil clearance Connecting rod bearing oil clearance | |
| Knock | A | B | A | B | C | Main bearing noise | Main bearing oil clearance Crankshaft runout | ||
| Front of engine front cover | Tapping or ticking | A | A | B | B | B | Timing chain and chain tensioner noise | Timing chain cracks and wear Timing chain tensioner operation | |
| Front of engine | Squeaking or fizzing | A | B | B | C | Drive belt (Sticking or slipping) | Drive belt deflection | ||
| Creaking | A | B | A | B | A | B | Drive belt (Slipping) | Idler pulley bearing operation | |
| Squall Creak | A | B | B | A | B | Water pump noise | Water pump operation | ||
A: Closely related B: Related C: Sometimes related -: Not related
Compression pressureInspection Warm up engine and then turn it off. Release fuel pressure. Remove ignition coil and spark plug from each cylinder. Connect engine tachometer (not required in use of CONSULT). ...

Exploded View 1. Generator 2. Water pump 3. Crankshaft pulley 4. A/C compressor (with A/C models) Idler pulley (without A/C models) 5. Idler pulley 6. Drive belt ...
Oil pan (lower)
Exploded View
1. Rear oil seal 2. Oring 3. Oil pan (upper) 4. Oil pump chain tensioner
(for oil pump drive chain) 5. Oil pump drive chain 6. Crankshaft key 7.
Crankshaft sprocket 8. Oil pump sprocket 9. Oil pump 10. Oring 11. Oring 12.
Oil pan drain plug 13. Drain plug washer 14. Oil pan ...
Cylinder block
Exploded View
1. Crankshaft position sensor cover 2. Crankshaft position sensor (POS) 3.
Oring
4. Drain plug 5. Cylinder block 6. Oil level gauge
7. Oil level gauge guide 8. Oring 9. Knock sensor 10. Oil temperature sensor
11. Oil pressure sensor 12. Oil jet
13. Top ring 14. Second ring ...