About that clicking.....

General discussion forum for J30 and M30 owners!
Leuthesius
Posts: 249
Joined: Tue Mar 11, 2008 12:52 pm
Car: 1996 Infiniti J30 - Totaled by Hail RIP
1995 Smurfima - Blown Head Gasket 230k miles RIP

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Alright, so I'm still having a hard time really pinpointing that horrid CLICKCLICKCLICK noise in my engine compartment. All of my fuel injectors are load but on time.

That leads me to think of one of the two things:1) Sticking valve--If it is a sticking valve, what do I need to do to fix that?2) Timing chain--Where is it and what do I need to do to fix that?3) Injectors still?--If its just the injectors... because I'd hate to rip that air intake manifold off and put it back together just to find that it's a sticking valve.

Halp :p


elan
Posts: 159
Joined: Mon May 08, 2006 11:09 am
Car: BMW 328I, Had J30 95,

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to eliminate #2 the engine uses a timing belt, not a chain

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yodawill2000
Posts: 3888
Joined: Thu Mar 24, 2005 4:10 pm
Car: 94 Infiniti J30
Location: Grand Prairie TEXAS

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You have a timing BELT not a chain.

The clicking may be a Valve solenoid.Not a cheap fix.

Leuthesius
Posts: 249
Joined: Tue Mar 11, 2008 12:52 pm
Car: 1996 Infiniti J30 - Totaled by Hail RIP
1995 Smurfima - Blown Head Gasket 230k miles RIP

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I'll be getting a mechanic's stethoscope tomorrow to further diagnose properly. If it IS the valve, what do I have to do to fix it? I will NOT be taking it to a shop, as I would just get reamed. I need to know costs in replacing seals as I'm clearly going to be ripping it apart all the way down and learning what Rosalinde is like on the inside, truly.

GG on the belt, I should probably replace that while I'm in there anyways, provided its in the same vicinity and/or easy to get to from where I'm going.

elan
Posts: 159
Joined: Mon May 08, 2006 11:09 am
Car: BMW 328I, Had J30 95,

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replace the water pump and the thermostat as well, belt tensioner optionally it's all in the same place and is at the same maintenance interval as the belt

GerryO
Posts: 974
Joined: Fri Feb 09, 2007 11:47 am
Car: 1993 J30t
Pearl White
Black Interior

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Does the clicking sound seem to get louder the longer you let the car sit without starting it?

I'd once parked mine for a time, waiting to change a leaky water water pump, timing belts, oil seals, accessory belts, etc and occasionally started it in order to move it only short distances. Soon I was more concerned about a loud clicking sound than I was about the leaky water pump.

Add about half a quart of good synthetic oil, idle the engine for about five minutes and if it quiets down, switch to all synthetic at your next scheduled oil/filter change.

A few thousand miles of smooth, quiet driving later and after replacing the water pump and belts, one of my injectors failed.


Leuthesius
Posts: 249
Joined: Tue Mar 11, 2008 12:52 pm
Car: 1996 Infiniti J30 - Totaled by Hail RIP
1995 Smurfima - Blown Head Gasket 230k miles RIP

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Clicking sometimes goes away after about 10-20 seconds of idling after start.

driverdriver
Posts: 3397
Joined: Fri Aug 01, 2003 10:36 am
Car: NICO's longtime resident Canuck!!!
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Its not either the fan or flywheel? I would check both areas.


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