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My 2005 Insight has developed a noise, my mechanic thinks it's the manual transmission

11726 Views 217 Replies 16 Participants Last post by  FadedBlue
Last summer I thought my IMA battery was dying and bought a grid charger, but it turned out the problem was actually a broken ground strap, so I could have fixed the car for like $10, but spent quite a bit more with buying the grid charger.

Also to get my car to pass inspection last summer, I had to have the one of the motor mounts replaced. Perhaps the broken motor mount was the reason for the broken ground strap.

Anyway since I had the car inspected and the motor mount replaced, I have been noticing a noise during acceleration. Once I am at a steady speed I don't notice the noise. I thought the noise might have been related to the motor mount being replaced, like maybe one of the other motor mounts is shot and the motor is moving around during accleration. However I just took it to the shop to have the oil changed and asked them to check out the noise. The mechanic thinks it is the transmission. I was hoping it might be something cheaper, but thought I would ask the forum for an opinion. Do you think this might really be the transmission? Is this a common problem? Or do you think it might be something else?

If the transmission is going bad and making a noise during acceleration is that something that needs to be addressed soon? The reason why I ask that is a bunch of years ago, I had a 1995 Civic that was noisy in 5th gear, but I just ignored the noise in 5th gear for at least 100K miles, until I needed to get the clutch replaced. Anyway with that car, I bought a rebuilt transmission from a place in California, I think it was called Synchrotech transmissions. So is a noisy MT in an Insight something that is just a slightly annoying noise, but you can ignore it (like I did with my 1995 civic) or is this a sign that the transmission might fail at any moment and leave me stranded? Also if I were to replace the transmission, what would you recommend? A used transmission? A rebuilt transmission from say Synchrotech? Or rebuilt by a forum member?
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That sounds like a CV joint. See if any of them are loose and replace the axle if you need to. I’m surprised that your mechanic didn’t check this. It’s pretty obvious.

Sam
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I’d surely like to know if it’s NOT a CV joint. But is your power down? I’m not ready to rule out an engine problem. Clutch? Your upshifts sound crunchy.

Sam
Of course Scott will be able to diagnose it quickly. I bet you haven’t even called him yet.
I have a Quickjack and it works great. WAY more expensive than a good floor jack and four jack stands.
I have a Quickjack and it works great. WAY more expensive than a good floor jack and four jack stands.

sam
Yeah, the Quickjack is WAY more expensive, but it does look MUCH safer. Plus the new TL models can get you 24 inches of lift. I was thinking maybe I can start doing more maintenance on my cars. I have 4 cars. The Insight is the oldest and who knows what might go wrong with it next. So I saw Home Depot had Quickjacks on sale and I had some credit card points that I could turn into a a Home Depot gift card and ... well I ordered a Quickjack 5000TL.

Originally Home Depot said it would arrive in less than a week. But the tracking info I just got now says 2 weeks.

While I am waiting, I read the Quickjack manual. There are a couple of places in the manual that say:

⚠ WARNING As an added safety precaution, you must always use auxiliary safety stands under the Vehicle while elevated on both QuickJack Frames.

While I don't recall seeing pictures of people using auxiliary jack stands on their website, I guess I need to buy jack stands anyway. Since it seems the only safe places to jack an Insight are the 3 places along the pinch weld where the Quickjack goes, I guess you need to put the auxiliary jack stands under the Quickjack?

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So Sam, do you use auxiliary jack stands with your Quickjack? And if so where are you putting the stands? Under the Quickjack?
I have NEVER used auxiliary jack stands, or felt the need to. It’s really stable. I use the rubber blocks and put the front one under the reinforced pinch weld and the rear one just inside the body seam.
Sam
With the large sockets sometimes an SAE one is close enough, especially a 6 point. Try what you have.
Sam
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