1/14/2024 0 Comments Moose sounds![]() Hi Paul, I spent a lot of time trying to track the source of the odd moaning sound. The sound does remind me of water pipes in a house making a howling sound, like from a home heating radiator. I can’t think of anything else, except maybe coolant flow? Reading archives, all I can think of is power steering pressure building up in the hoses/rack? What does this mean? BUT if i turn the steering wheel back and forth, it makes no difference to the sound. It’s just the general engine vicinity, more on the left (drivers) side. It is very hard to determine where the sound is coming from. The sound will also vibrate the chassis a wee bit. I thought it may be brake accumulator vacuum, but pressing brake pedal (to relieve pressure?) makes no difference. If anything, the sound just gets louder, not different in pitch. Meaning, there’s a bit of a delay to the sound giving it rpms. The sound is influenced if I give it some RPMs, but it is indirectly related. I assumed it was belts or pump bearings, but I’ve recently ruled those out. And it seems to happen more on cold mornings. It ONLY happens after first starting engine stone cold in the morning. It’s a groaning/howling sound that is deep and medium to high pitched which slowly rises in pitch, then suddenly shoots down in pitch (like someone has shifted to the next gear) and then slowly rises higher in pitch, and keeps repeating this pattern for 10 seconds to 1 minute until it finally just fades away. Sounds like a moose far off in the distance. RD deliveries take up to 6 days longer.I’m trying to diagnose a sound that I’ve been having the last 6 months from the engine bay. For faster delivery please provide a non-rural address. ![]()
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