vibration from engine at 1800 revs when stationary

geo.k23 · 11th October 2021, 13:54

Hi all i bought a car as a donor car but as i explained in a previous post l decided to do some work to it as it's not a bad car it's a 75 tourer cdt auto mk1 my query is when i rev the car to about 1800 revs i get a fair bit of vibration coming from the engine i suspect it could be the engine mount can anyone confirm this or point me in the right direction please thanks in ad

vance

raykay · 11th October 2021, 16:39

A common vibration at about 1800 rpm in a tourer is the roof lining. It can be checked by pressing it up in the middle, between the 'B' posts when it happens.

hogweed · 12th October 2021, 09:41

1800 seems to be the resonant frequency for these cars... so, if something is going to vibrate, that's when it will happen - doesn't really tell you what's causing it.

Mine's had everything (engine mounts etc) changed, but it still does it a bit

11th October 2021, 13:54	#1
geo.k23 Loves to post Rover 75 Tourer CDT Join Date: Apr 2014 Location: Alexandria Posts: 468 Thanks: 451 Thanked 30 Times in 30 Posts	vibration from engine at 1800 revs when stationary Hi all i bought a car as a donor car but as i explained in a previous post l decided to do some work to it as it's not a bad car it's a 75 tourer cdt auto mk1 my query is when i rev the car to about 1800 revs i get a fair bit of vibration coming from the engine i suspect it could be the engine mount can anyone confirm this or point me in the right direction please thanks in advance

12th October 2021, 09:41	#3
hogweed I really should get out more....... Vauxhall Insignia CDTi; MG TF 135 Join Date: Jan 2010 Location: Norn Iron Posts: 2,958 Thanks: 942 Thanked 378 Times in 297 Posts	1800 seems to be the resonant frequency for these cars... so, if something is going to vibrate, that's when it will happen - doesn't really tell you what's causing it. Mine's had everything (engine mounts etc) changed, but it still does it a bit __________________ Past cars: MGB GT; Escort 1300 Sport; Vauxhall VX4/90; Marina Coupe TC; Celica ST (1972); Montego Turbo; Astra GTE 16V; Astra GSI 16V; Golf GTI 16V (Mk II); Sierra XR4x4 Estate; BMW 325i (E30); BMW M3 3.0; BMW M3 3.2 Evo. Left some of the more embarrassing ones out. And about 30 motorbikes.

11th October 2021, 16:39	#2
raykay I really should get out more....... Now Other Manufacturer Join Date: Nov 2006 Location: Co. Kerry Posts: 2,786 Thanks: 16 Thanked 310 Times in 283 Posts	A common vibration at about 1800 rpm in a tourer is the roof lining. It can be checked by pressing it up in the middle, between the 'B' posts when it happens.