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Noises are worrying me......


Guest danhock
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Guest danhock

I have a couple noises can anyone shed any light on them?

 

1. On cold morinings theres a knocking / jangling noise behind the dash, could it be the Struts?

 

2. On Cold mornings get a Whining from what sounds like the drive shaft, normal?

 

 

 

Also the back end seems very unstable at any speed on bumpy roads. Feels like the rear wheel steering?

 

Its a 300ZX TT Jap '92.

 

Dan

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Originally posted by danhock

1. On cold morinings theres a knocking / jangling noise behind the dash, could it be the Struts?

 

I get something similar. I'd describe it more like a knocking/creaking noise though. Sounds like the front suspension or the chassis flexing!

 

Also the back end seems very unstable at any speed on bumpy roads.

 

I think this generally gets attributed to the rear shocks.

 

Raz

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Guest danhock

Yes, its a hard noise to describe. Sort of creaking, sort of metal joints rubbing together!!!

 

Also does that mean i may have a problem with my rear shocks?

 

Cheers

 

Dan

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Also does that mean i may have a problem with my rear shocks?

 

Possibly, yeah. I'm not really all that well up on the technical side, but this question has come up a few times before and often that's been the answer. Have a search through the old archived Tech Forum; you might find something helpful in there.

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ive got a creak too, kinda like a creaky rattle with a hint of squeak, front right hand side, its deffo suspention, probably worn linkag somewhere or a duff shock

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Guest Fairlady

To check your HICAS this is the procedure, not sure if it works i

havn't tried it yet.

Procedure:

1.Ignition switch 'off' manual tranny in neutral or a/t in 'p'

2.start the engine

3.within 10 seconds after turning the key to 'on', start the engine, turn steering wheel from left to right 20 degrees from neutral 5 times or more & pump the brakes 5 times. then press the brake pedal again to enter test mode.

4.turning the steering wheel left or right past 20 degrees will cause the rear wheels to turn (~1 degree)

5.Drive the car forward 15 feet under 9mph to enter the full diagnostic mode.

6. The HICAS dash light will flash a code indicating any problems. long flash is first digit, short flash is second digit.

7.Diagnostic mode is exited when: ignition is turned off, or if speeds exceed 9mph, or diagnostic has been operating longer than 5minutes.

HICAS LIGHT CODES FOR '90-93'

1.HICAS solenoid R.H

2.HICAS solenoid L.H

3.Cut-off valve

4.Power steering solenoid

5.Vehicle speed sensor

6.Steering angle sensor

7.Steering neutral position sensor

8.M/T: clutch sensor A/T: parking brake sensor

9.M/T: Neutral sensor A/T: Inhibitor sensor

 

:cool:

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Guest Chris0r

i get a creaking noise sometimes aswell from behind the dash it sounds like ,

only bloody started when a certain company fitted me alarm :(

 

this was NOT bob so let this be known i should of gone to him and regret it now :(

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