Diesel Engine Mount Installation. - The Saab Link Forums

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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 05-15-2009, 05:58 AM   #1
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Diesel Engine Mount Installation.

I read a few time that this is a PITA. I can say that it's not. I bought a mount and so did my friend Jeff. All his other mounts are stock. We got his done in 15min. I have poly transmission and engine mounts, wiggle room was less due to less engine mount travel. But, it's doable with a pry-bar to compress the diesel mount when squeezing it in. This took about 20min. Both done in under an hour.

Here is what we did:
1. Jack-up the car and place it on stands.
2. Use several long extensions and a universal to get the top nut off the mount. 16mm IIRC
3. IIRC 18mm socket on the 2 nuts on the bottom of the mount.
4. Position the jack on the transmission case and jack the engine up a bit. There is more travel hear then you think. Be sure not to go to the point of lifting the car.
5. Wiggle the old mount out by bringing it forward over the subfame and out right next to the cat.

As for impressions all I can speak for is my cars feeling. With the poly mounts and the diesel engine mount the engine is next to impossible to move. It's in there solid. You feel less of a yo-yo effect when on/off throttle. Shifting is more precise. (BTW I can't wait for the GS short shifter that will make my day.) Cabin vibration oddly enough seems decreased. I have yet to test it w/ the AC on to see how much of a difference that makes. I am very happy with it thus far. The car is becoming more and more of a pleasure to drive and less and less of a floppy overpowered FWD torque machine.
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Old 05-15-2009, 06:34 AM   #2
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If you take the bracket off the transmission on the 9-3 style gearboxes it is a 15m job. The older NG900 style maybe a bit longer since its a tad harder to the get bracket off. The bolt the bracket back on before lowering so its easier to align the bolts.
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2.0 GOOSE 500whp + 8500rpm = 11.06 @125 E85
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Old 05-15-2009, 06:49 AM   #3
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I thought about taking the bracket off the car to aid in the install. Glad to know that is easy to get off as well. It was still much quicker than I had anticipated based on some comments I had read about the install. I am very happy wit the results! Thanks again Nick and GS!
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Old 05-15-2009, 06:54 AM   #4
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So, what you're saying is that the complainers are n00berts?



Good to hear you got it in and had no issues. Did it stiffen things up at all>
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Old 05-15-2009, 07:10 AM   #5
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So, what you're saying is that the complainers are n00berts?
Maybe those who do not have much wrenching xp are the only ones to post input. Those with more experience don't seem to post about little things like this at all. That's my best guess.

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Good to hear you got it in and had no issues. Did it stiffen things up at all>
Yep. See my last paragraph on my initial post for impressions.
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Old 05-16-2009, 10:19 PM   #6
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Old 05-17-2009, 10:08 AM   #7
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I agree, the job was easy and I too thought the vibration was not increased, maybe decreased a hair, but not increased and the engine is definetely more solid.

John
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Old 05-18-2009, 12:38 PM   #8
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Are the 2 engine mounts and transmission mount exactly the same on a Vig and regular 93? Which diesel engine mount do i get? My gear lever moves forward and back quite alot when accelerating and when i release the accelerator. Am assuming 1 or all of the mounts are on their way out?
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Old 05-18-2009, 01:11 PM   #9
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Quote:
Originally Posted by MONSTAMUNCH View Post
Are the 2 engine mounts and transmission mount exactly the same on a Vig and regular 93? Which diesel engine mount do i get? My gear lever moves forward and back quite alot when accelerating and when i release the accelerator. Am assuming 1 or all of the mounts are on their way out?
There is one engine mount on the passenger side of the car. It connects to the same bracket as the AC condenser. The GS performance replacement is polyurethane.

The rear engine mount is on the driver side almost directly down from the master cylinder there is a bracket that connects the backside of the engine to the subframe below. This mount is best viewed from the ground looking-up on the drivers side of the car. It is near the cat on a T5 car. That should be more then enough to help you locate it. The GS performance replacement is diesel.

There is a transmission mount on the drive side of the car. It connects the tail of the transmission housing to the unibody frame. The GS performance replacement is polyurethane.

As for shifter movement, I have all 3 of these and the movement has decreased significantly. Most notably with the diesel mount. This has proven true on a Saab w/o the polyurethane mounts as well. The diesel replacement on both non-polyurethane and polyurethane cars seems to have cut vibration. Especially at low speed.

Even w/ all the polyurethane and diesel mounts, shifting it self is still classically Saab vague. Nick is coming out with a shifter replacement assembly shortly that seems like it will resolve the last of the shifting foibles. Thread Here: https://www.saablink.net/forum/showth...390#post626390
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Old 05-19-2009, 11:18 AM   #10
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Quote:
Originally Posted by liketheword View Post
There is one engine mount on the passenger side of the car. It connects to the same bracket as the AC condenser. The GS performance replacement is polyurethane.

The rear engine mount is on the driver side almost directly down from the master cylinder there is a bracket that connects the backside of the engine to the subframe below. This mount is best viewed from the ground looking-up on the drivers side of the car. It is near the cat on a T5 car. That should be more then enough to help you locate it. The GS performance replacement is diesel.

There is a transmission mount on the drive side of the car. It connects the tail of the transmission housing to the unibody frame. The GS performance replacement is polyurethane.

As for shifter movement, I have all 3 of these and the movement has decreased significantly. Most notably with the diesel mount. This has proven true on a Saab w/o the polyurethane mounts as well. The diesel replacement on both non-polyurethane and polyurethane cars seems to have cut vibration. Especially at low speed.

Even w/ all the polyurethane and diesel mounts, shifting it self is still classically Saab vague. Nick is coming out with a shifter replacement assembly shortly that seems like it will resolve the last of the shifting foibles. Thread Here: https://www.saablink.net/forum/showth...390#post626390
Thanx for clearing that all up for me
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