Question about 1991 Buick Century

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How to replace motor mounts on 1991 buick century 3.3 v6

How you I replace the motor mounts on the 3.3L V6? I'm not talking about the dog bone on the radiator. The ones that are under the engine. So if you know how to replace them I will greatly appreciate it!

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If you have the proper tools you will need to support the engine with a jack, undo the mount nuts and bolts remove them then remove the mount. you can use the jack to move the motor up or down depending on what needs to be done.

Posted on Apr 11, 2015

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  • robert wales Apr 12, 2015

    there is one below the harmonic balancer, one on front side of motor were it bolts to the transmission by the rad, one at the rear of the motor by the transmission and the sub frame and i think one that is the support mount for the transmission on the drivers side of the transmission that you can see through the wheel well. its been a while since i`ve done one.



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I need to know how to change the spark plugs in a 1994 Cutlass Ciera S 6cyl 3.1 engine

The two upper motor mounts, between engine and the bar running across the top of the radiator, must be disconnected at the engine end and the engine rotated forward, so that the rear plugs can be worked on. On a Chevy, there is a second hole in one of the mounts (dog-bone mount) that can be used to hold the engine forward. I'm not sure if the Oldsmobile has this type of mount or not. See the linked YouTube video. CHANGING SPARK PLUGS AND WIRES GM 3 1 3 4 V6

Nov 01, 2016 | 1994 Oldsmobile Cutlass Ciera

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Replace motor mounts

which ones do you need the dog bone at the radiator or the one under the motor next to the harmonic balancer or the transmission one

Nov 12, 2012 | 1997 Chevrolet Lumina

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Dog bone location 2005 grand am gt

Depending on the engine, some have a mount on top of the radiator.
Its called a dog bone because it is a metal strip with a rubber piece in each end, like a bone. One end bolts to the radiator support, the other bolts to a bracket on top of the engine.
If it has one, you set the brake, put the trans in neutral, unbolt one end and pull the engine forward. Some mounts have a secondary hole to put the bolt in to hold the engine forward.
You can look up "motor mounts - struts" at the online auto parts stores for photos.

Jul 27, 2012 | Pontiac Grand Am Cars & Trucks

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The support (dogbone) on the motor mount is cracked

This usually happens when the motor mount near the firewall goes bad, this will allow the motor to move more causing the dog bone to crack, both of these mounts should be replaced.

Oct 05, 2011 | 1993 Toyota Camry V6

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Went to try to change plug wires on 93 Buick Century with the v6 (3.3) looks as though you have to remove that "top motor" mount, is this correct?? If so a quick run through of how this is...

OK on the V6 on GMs from the 1990s the general rule is, remove the top 'doggy bone' engine mount, use a piece of 2"x4" or larger wood between the jack and the transaxle or other solid part of the engine/transaxle combination, and jack up the engine slightly until you can reach the spark plugs and wires in question.

I learned that trick from Sears in the 1990s when these vehicles were newer.

Good luck on this repair.

Jan 08, 2011 | 1993 Buick Century

1 Answer

How do you access the 3 rear spark plugs and wires on a 1999 buick century ?

remove the front engine mount that is at the top of the engine attached to the top of the radiator support. it looks like a dog bone. after removal, rock the engine forward or use ratchet typoe tie down strap to move the engine forward to access the rear plugs and wires.

Sep 16, 2010 | 1999 Buick Century

1 Answer

I have 1994 saturn sl i found a motor mount on the bottom of the engine no bolt in it it looks like a dog bone i think it is missing a mount i would like a picture where it mount on the motor thank you...

There is a dog bone mount at each end of the engine. If it is on the bottom of the engine, something is totally out of whack. The bottom mount is under the transmission and does not look like a dog bone. I am assuming you must be writing the about passenger side, where the serpentine belt is. Remove the right front wheel, put the car on jack stand and remove the plastic service panel behind the wheel. The bolt hole where the dog bone bolt goes will be evident, or there will be a broken bolt. If the dog bones have not ever been changed this would be a time to do that and maybe the belt tensioner too. The other one is under the battery tray, both are fairly easy to replace, assuming you do not bust a bolt off.

Aug 11, 2010 | 1994 Saturn Sl

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Think my flywheel is sticking. i got my transmission rebuilt & engine replace in a 1991 buick regal & now my car vibrates when its coming to a red light or taking off.

It could be the harmonic balance is warped or the rubber has slid or deteriorated. Also one of your motor mounts or (dog bones) could be bad. If one of the mounts are bad it will cause the car to vibrate. Have someone to get in the car and put the car in drive with the brakes pressed and press the gas pedal a small amount. If you see the engine move on one side or the other, the mount is bad on the side that raises up. Do the same process with the car in reverse. These may have been damaged when the trans was taken out, some people loosen the mounts, take them off and some don't ever touch them to remove a transmission. This is what I would check first.

Apr 04, 2010 | 1991 Buick Regal

3 Answers

What is the dog bone

It's an engine mount. Usually it will be one at top/front engine and one onside /bottom engine. They are easily replaced, just be sure to take the weight off the mounts with a jack.

Feb 19, 2010 | 2001 Dodge Neon

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