2002 Renault Laguna Rumbling/whirring from engine

Tiny
RK02DHO16SB
  • MEMBER
  • 2002 RENAULT LAGUNA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 105,000 MILES
Engine is 1.8ltr petrol with cam belt changed at 72000 miles. Engine started squeaking (as if water pump starting to fail) about 100 miles ago, now turned into constant whirring/rumbling that escalates with engine speed, also some engine vibration when stationary with engine running and in drive. Noise fades or stops over 50 mph. Engine does not overheat, misfire, lose power when running.
What may be going wrong? Where do I start looking?
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Tuesday, March 9th, 2010 AT 5:18 AM

3 Replies

Tiny
DAVE H
  • EXPERT
Start by checking belt tensioner and all pulley's on alternator belt and cam belt !
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Friday, March 12th, 2010 AT 4:39 AM
Tiny
RK02DHO16SB
  • MEMBER
Dave H - you were on right track. It was the alternator bearing that had collapsed. Fixed by replacing unit.
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Tuesday, May 11th, 2010 AT 7:44 AM
Tiny
DAVE H
  • EXPERT
Thanks for sharing your final fix .. glad to be of assistance .. please use our forum again in the future should the need arise, and spread the word of our forum to family and friends etc.

Happy motoring.


https://www.2carpros.com/forum/automotive_pictures/266999_AAA2_1147.png

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Wednesday, May 12th, 2010 AT 3:39 AM

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