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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 876 (Engine Mechanical) >> System Description >> Noise, Vibration, And Harshness (NVH) Troubleshooting >> Use the Chart Below to Help You Find the Cause of the Symptom

Use the Chart Below to Help You Find the Cause of the Symptom

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Locate the area where noise occurs.
  2. Confirm the type of noise.
  3. Specify the operating condition of engine.
  4. Check specified noise source.

If necessary, repair or replace these parts.

Location of noise Type of noise Operating condition of engine Source of noise Check item Refer To
Before warm-up After warm-up 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 CAMSHAFT VALVE CLEARANCE 
Rattle C A - A B C Camshaft bearing noise Camshaft journal clearance
Camshaft runout
CAMSHAFT JOURNAL CLEARANCE 
CAMSHAFT RUNOUT 
Crankshaft pulley Cylinder block (Side of engine) Oil pan Slap or knock - A - B B - Piston pin noise Piston and piston pin clearance
Connecting rod bushing clearance
PISTON AND PISTON PIN CLEARANCE 
CONNECTING ROD BUSHING OIL CLEARANCE (SMALL END) 
Slap or rap A - - B B A Piston slap noise Piston-to-bore clearance
Piston ring side clearance
Piston ring end gap
Connecting rod bend and torsion
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 (Small end)
Connecting rod bearing clearance (Big end)
CONNECTING ROD BUSHING OIL CLEARANCE (SMALL END) 
CONNECTING ROD BEARING (BIG END) 
Knock A B - A B C Main bearing noise Main bearing oil clearance
Crankshaft runout
MAIN BEARING OIL CLEARANCE 
CRANKSHAFT RUNOUT 
Front of engine Chain case cover 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
TIMING CHAIN COVER 
TIMING CHAIN 
Front of engine Squeaking or fizzing A B - B - C Drive belts (Sticking or slipping) Drive belts deflection DRIVE BELTS 
Creaking A B A B A B Drive belts (Slipping) Idler pulley bearing operation
Squall Creaking A B - B A B Water pump noise Water pump operation SYSTEM DESCRIPTION
Rattle - - A - - - VTC VTC lock pin clearance INSTALLATION 
A: Closely related B: Related C: Sometimes related -: Not related