Maintenance and Upkeep Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between.

Motor mounts

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Old 02-15-2021, 01:07 PM
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Motor mounts

First, I would like to thank all of you for helping me with my battery problem. Now I am looking at replacing motor/transmission mounts. There appears to be a lot of movement of the engine when I start out.
is it best to replace all 4 mounts? Or just the main engine mount? Also. Is there a specific order that they should be replaced once I have the vehicle on jacks?
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Old 02-15-2021, 01:27 PM
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I replace the upper engine mount first, use a floor jack and a piece of wood under the oil pan to support the engine and lift it to install the mount , the three bolts on the engine side are 15 mm heads and the 2 nuts holding the other end to the body are 18 mm. You have to remove the windshield washer bottle to get the bolts loose and get the mount out.
next up , the rear transmission mount , pretty straight forward all bolts are 18 mm
then after that move to the front transmission mount. Also 18 mm . The upper transmission mount is next , you may have to support the transmission with the jack and block of wood , remove the front and rear transmission mount they bolts to get the end transmission mount out of its pocket.
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Old 01-02-2022, 03:01 PM
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What are the torque specs for the 3 bolts on the engine side bracket?I know the other specs!Thanx in advance!
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Old 01-02-2022, 03:14 PM
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Bolts: Engine Mount to Intermediate Bracket 65 N.m 48 lb ft
Nuts: Engine Mount to Midrail Nuts 100 N.m 74 lb ft

Thanks to Donbrew for the photos and firemangeorge for the specs
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Old 01-02-2022, 03:38 PM
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This bracket right here is what I'm trying to find the specs for,thanks all!
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Old 01-02-2022, 05:32 PM
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The engine mount bracket bolts are also torqued to 37 lb-ft.

Steve
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Old 01-02-2022, 05:39 PM
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From the service manual:



Steve
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Old 01-02-2022, 05:57 PM
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Thank you
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