CLUNK SOUND WHEN FIRST TAKE OFF.

2000 Chevrolet Blazer

Tiny

John56784

August, 3, 2012 AT 1:00 AM

I've got a 2000 Chevy Blazer 4.3L V.6 AT 2WD 2 Door. When I leave in the morning I hear/feel a clunk from front driver side when I first leave my driveway. It happens whether im in neutral coasting down my drive or in reverse. Also if I go slow enough out my driveway, it wont happen until I start driving down the street at about 4 mph. The clunk only happens once and wont happen again until I let is sit for a good 20 min. Doesnt happen at stop lights. And doesnt happen while turning. Happens every morning when I leave and every afternoon when I leave work. Occurs exactly when I reach about 3-4 mph whether coasting in neutral or in drive. Please help.

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5 Answers

Tiny

ASEMaster6371

August, 3, 2012 AT 1:19 AM

Check the rear trans mount.

Roy

Tiny

John56784

August, 3, 2012 AT 10:41 PM

Thank you for responding so quick ASEMaster6371. The transmition and motor mounts were just replaced about 6 months ago. I'm thinking it could have something to do with the brakes. Whats your thought on that?

Tiny

ASEMaster6371

August, 3, 2012 AT 11:34 PM

Did you check the mount? Even though it is new, is it tight?

Roy

Tiny

John56784

August, 4, 2012 AT 1:35 AM

I'll try to tighten it in the morning. I'll let you know how it goes. Attached is an image of the trans mount in question.

Tiny

John56784

August, 5, 2012 AT 9:00 PM

All the fasteners attached to the trans mount are tight. I'm not sure where to look now. Let me know if you have any ideas. Thanks again.

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