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97 Chevy Blazer 4.3L bad driver side motor mount?

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  • #663155
    Daniel DominBlazerguy1983
    Participant

      I have a 1997 Chevy Blazer 2-Door 4.3L 4×4 that the driver side engine mount is failing. Two questions, one is there an easier way to replace this mount with out dropping the front differential to access it and two is it worth spending the extra $40-$50 to buy the GM OEM part? I’ve always used after market motor mounts in past and haven’t had any problems. Thanks in advance!

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    • #663254
      college mancollege man
      Moderator

        This may help? The s10 should be close to the blazer.
        Where the instructions say to use a jack, Put the jack
        under the oil pan using a piece of wood on the pan.The
        jack is only there to support the engine to take the tension
        off the center bolt to remove it. Hope it works. 🙂

        #666004
        Daniel DominBlazerguy1983
        Participant

          Hello everyone. I wanted to update everyone and let you all know that I successfully and properly changed my motor and transmission mounts on my 1997 Chevy Blazer with the 4.3L. It is a little tricky but, I proved that I can be done without dropping the front differential on 4-wheel drive models. Disconnect the negative battery terminal because you will be working very close to the starter. If you jack up the front of the vehicle and support the frame on jack stands, remove the front tires, go through the splash flaps inside the wheel wells to remove the pass threw bolts that hold the motor mount to the support bracket on the frame. The bolt is a 16mm and the back up nut is towards the firewall and is a 17mm. Then remove the front splash shield in front of the cross member that covers the steering components and oil filter. Remove the upper fan shroud. Remove the air box. Remove the steering shaft fastener and telescope it back toward the firewall then use a rope to tie up and out of the way. Now carefully use a block of wood on your floor jack to jack the motor up being careful to not go to high and damage anything on top. how go to each side, driver and passenger side wheel wells to reach in the remove the fasteners that hold the engine mount to the side of the engine block. There are two 14mm fasteners on top left and right side of the mount and one on the bottom middle of the mount bracket. There is an aluminum exhaust heat shield that will come off with the top two motor mount bolts. Remember to reinstall this shield properly when installing the new mount. Slide the old mount out. Remove the motor mount frame brackets from the frame. There are three fasteners on the bracket 13mm, one on top and two towards the middle bottom of the mount. Removing the bracket from the frame will give you better access to put the bottom bolt into the mount going into the engine block. The re-assembly is the reverse. Please let me know if anyone has any questions. I have already done two Blazers and this procedure works great on the 4-wheel drive model and would work even better on the 2-wheel drive setup. Takes about 4.5 hours to do without a buddy. FYI, get the GM motor mounts and spend the extra money. You won’t want to do this job a second time anytime soon. eBay has the mounts for about $68 free shipping. Here is my YouTube video.

          #666036
          college mancollege man
          Moderator

            Well done job. 🙂 Thanks for the update and the procedure.

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