Maserati QP - Engine Noise - Maserati Forum
 
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post #1 of 10 Old 11-16-2017, 02:52 PM Thread Starter
 
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Maserati QP - Engine Noise

I have a 2007 Maserati Quattroporte (Automatic) with 138,xxx km's. For past a a few days, I am hearing this tic tic noise coming from my engine bay when I start the car in the mornings. It usually last 5-10 minutes and goes away as I start driving..

Last time, I had an oil change was at 123,xxx kms.

Any thoughts? Video link below.

Variators? Lifters?

https://drive.google.com/open?id=17G...a3VLTaI939Gr1q
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post #2 of 10 Old 11-16-2017, 10:54 PM

InnerCircle
 
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Well it doesn't sound like the variator problem, what I hear sounds more like a frozen bearing on a pulley or something. Like maybe the alternator pulley? Or a timing chain roller?

2005 Quattroporte
Fresno, CA
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post #3 of 10 Old 11-17-2017, 04:18 AM
 
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Quote:
Originally Posted by SeanFulop View Post
Well it doesn't sound like the variator problem, what I hear sounds more like a frozen bearing on a pulley or something. Like maybe the alternator pulley? Or a timing chain roller?
I agree, it sounds like a pulley noise, not lifters.
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post #4 of 10 Old 11-17-2017, 04:48 PM Thread Starter
 
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This noise started to come after an Indy shop replaced the Power Steering Pump. Could it be they didn't set the tensioner correctly?
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post #5 of 10 Old 11-17-2017, 04:55 PM
 
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You don`t adjust the tension..It is just spring loaded...Check the bolts on the P/S pulley and make sure they are tight....Jason

ASE Master Tech. 29 years experience
Ferrari, Maserati, Land Rover, & Jaguar technician.
Guru in Atlanta of Jaguar V12 & XJS cars.
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post #6 of 10 Old 11-18-2017, 05:53 PM Thread Starter
 
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Shop is saying to replace both of the belts. Around $600 for parts / labour. Could this noise be coming from the belt(s)?
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post #7 of 10 Old 11-19-2017, 03:38 AM

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Both of the belts.... I thought we had a serpentine belt on our engines

2005 Quattroporte
Fresno, CA
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post #8 of 10 Old 11-19-2017, 04:12 AM Thread Starter
 
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I believe there is a supertine belt and then there is a strechy belt which runs from the water pump to crankshaft.

I have ordered both of the belts for $95 including $25 shipping to Canada. They are set to arrive on Tuesday.

Is it something that I can replace myself without going to the dealer? I would really apperciate some pointers.
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post #9 of 10 Old 11-29-2017, 06:58 PM

InnerCircle
 
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Originally Posted by SeanFulop View Post
Both of the belts.... I thought we had a serpentine belt on our engines
Wet sump cars have a separate V-belt driving the pump, mounted in front of the serpentine belt.

Erik Di Somma
2005 Quattroporte
1989 228 (past)
1985 Quattroporte III (past)
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post #10 of 10 Old 11-29-2017, 07:16 PM

InnerCircle
 
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Quote:
Originally Posted by Naukhan View Post
I believe there is a supertine belt and then there is a strechy belt which runs from the water pump to crankshaft.

I have ordered both of the belts for $95 including $25 shipping to Canada. They are set to arrive on Tuesday.

Is it something that I can replace myself without going to the dealer? I would really apperciate some pointers.
Yes, it is very easy. Best idea is to download a picture of the belt pattern (belt-side pic of any F136 engine), so you know how to snake the belt.

On the wet sump car, you first remove the small belt to the pump, then the serpentine, as the serpentine belt is behind it. There is a spring-loaded tensioner pulley just below and to the left of the fixed ilder pully. The idler pulley is the only pulley "bolted" on to the engine mounted above the AC compressor. Just turn the tensioner pulley (forgot which direction because I've done it from below and above the car, but you'll know when you turn it) to release the tension and slide the belt off of either the idler pulley or the alternator, whichever is in reach.

Then, just reverse the steps to reinstall.

You will notice that installation is a little more difficult than the removal because the belts are new and tight. Just be patient - you can do it!

TIP - use a large socket handle extension or breaker bar to turn the tensioner bolt when releasing the tension. This frees up your strength to remove / install the belt while giving you extra clearance above the cramped space in front of the engine. It isn't difficult to turn so don't force it - the extra bar length just gives you leverage.

TIP 2: Some cars have a cover that hides the belt by covering the pulleys and is bolted to the front of the engine via 1-2" standoffs. This cover, in my opinion, is a waste and contributes to the collection of debris and soot on the front of the engine. Mine never had one of these covers so I can easily reach down and clean the front of my engine when i feel it is necessary. If you have the cover, you can reinstall, or keep it off, depending on your taste.

Erik Di Somma
2005 Quattroporte
1989 228 (past)
1985 Quattroporte III (past)
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