"hsss"ing noise under hood-Why ?

Asked by Nov 24, 2015 at 03:14 PM about the 2000 GMC Jimmy

Question type: Maintenance & Repair

4.3 liter

2 Answers

365

Does the noise change with speed? change with engine rpm? when braking?

Changes with rpm low speed between 1400 and 2000 rpms

Your Answer:

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