are the motor mounts broke? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

19mike69 · 02-01-2003, 09:57 PM

after getting my new edelbrock carb and intake on,it finally runs great except for one thing now......when i took it down the street it ran fine just driving sensibly....but when i stopped and kind of stomped on it the throttle stuck wide open and i had to turn the key off....when i did i could feel and hear a sort of bang.....took it home and looked at the linkage and its not anywhere close to anything to get hung on....took it out again...drove just fine til i stopped and punched it...almost felt like the pedal went to the floor the rest of the way by itself...and again when it let off you could feel a sort of bang in the front end.....my question is could the motoer mount be broke and be causing all this?....how do you check and see if one is broke?...and finally,what is the best way to replace them with the motoer in the truck?....its a 69 with a 350 btw....thanks alot

breeh · 02-01-2003, 10:01 PM

You can try putting a jack under the motor and then jack it up and watch and see if the motor lifts up off of the mount. This is also how you can change the motor mount if it is broken.

Longhorn Man · 02-02-2003, 12:35 AM

its busted.
There was a recall in 72 about this.

19mike69 · 02-02-2003, 01:00 AM

Longhorn....hey man,thanks alot for posting that....that is exactally what mine is doing...im getting 2 new ones in the morning and attempting to install them....never done it before and it should be a bigger chore as the motor will stay in the truck....again thanks for the info

Longhorn Man · 02-02-2003, 01:05 AM

No problem.
Blame it on the added torque that the new parts gave you. It's BS, but it sounds good huh?

02-01-2003, 09:57 PM	#1
19mike69 Registered User Join Date: Jul 2002 Location: pottsboro,tx Posts: 513	are the motor mounts broke? after getting my new edelbrock carb and intake on,it finally runs great except for one thing now......when i took it down the street it ran fine just driving sensibly....but when i stopped and kind of stomped on it the throttle stuck wide open and i had to turn the key off....when i did i could feel and hear a sort of bang.....took it home and looked at the linkage and its not anywhere close to anything to get hung on....took it out again...drove just fine til i stopped and punched it...almost felt like the pedal went to the floor the rest of the way by itself...and again when it let off you could feel a sort of bang in the front end.....my question is could the motoer mount be broke and be causing all this?....how do you check and see if one is broke?...and finally,what is the best way to replace them with the motoer in the truck?....its a 69 with a 350 btw....thanks alot

02-01-2003, 10:01 PM	#2
breeh Recovering 67-72 Addict Join Date: Oct 2000 Location: North Bend, WA Posts: 1,788	You can try putting a jack under the motor and then jack it up and watch and see if the motor lifts up off of the mount. This is also how you can change the motor mount if it is broken. __________________ 68 Short Fleet 4x4; 427; BTO Level 3 700R4; NP205; Dana 60 front and rear; 4" lift with 35's; Disc brakes; AGR variable ratio steering; factory bucket seats; factory tach and tilt. "Friends call me cruzer cuz I like fast cars and fast women"

02-02-2003, 12:35 AM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	its busted. There was a recall in 72 about this.

02-02-2003, 01:00 AM	#4
19mike69 Registered User Join Date: Jul 2002 Location: pottsboro,tx Posts: 513	Longhorn....hey man,thanks alot for posting that....that is exactally what mine is doing...im getting 2 new ones in the morning and attempting to install them....never done it before and it should be a bigger chore as the motor will stay in the truck....again thanks for the info

02-02-2003, 01:05 AM	#5
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	No problem. Blame it on the added torque that the new parts gave you. It's BS, but it sounds good huh?



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