Maserati Variator Noise, The rattling noise on cold start is typically caused by worn variators in the timing system.

Maserati Variator Noise, Regarding the issue with cam variators, is there a limited lifespan on theese or will they hold once replaced? Cheers Peter, Sweden Sep 27, 2017 · You have a dry sump motor that uses a very reliable high-pressure variator and VVT system used in the Ferrari F430 and Maserati Camboicorsa/Grand Sports. It features a front-engine, rear-wheel-drive layout and is powered by a Ferrari-derived V8 engine. Here's the kicker, and the point to all this: I just spent $10K on new variators, seals, bushings, variator solenoids, etc. ⸻ Here’s a picture of one of the cam caps showing that the check valve is already installed. The rattling noise on cold start is typically caused by worn variators in the timing system. Maserati Technical Bulletin Model Type: Model Year: Subject: Date: 8/10/2018 Bulletin No: MTB‐200917G Supersedes: MTB‐200917F Section: Engine Quattroporte Automatic (M139) & GranTurismo (M145) 2007 to 2009 Addendum - Noise from variator NOTE: Please note the shipping address changes on the last page of this Bulletin Maserati Quattroporte and GranTurismo vehicles with wet sump engine, with Oct 22, 2020 · 2009 GT, on cold start up (left for a few days) I have had a clicking sound that lasts for about 1 second coming from the engine. 2004 Coupe, Car runs great etc. This article breaks down the best and worst model years for the GranTurismo, focusing on reliability, performance, owner complaints, and long-term dependability to help buyers make Sep 17, 2015 · The rattle you hear IS NOT the valves striking the cylinder heads, as in the case of a mis-timed engine! The rattle results from the internal parts of the variator advancing and de-advancing freely within the fore and aft limits of rotation. 2L v8 m139 Variator Noise Cam Cap Fix and Repair (PART 2) Oct 10, 2014 · Dear all, Thanks to this forum I feel well prepared searching for my 2007-2008 QP ZF. WET SUMP ENGINE - Send & Return service Camshaft Cap Upgrade Service for the Maserati 4. It is of the helical spline design that rotates forward with pressure, similar to the Alfa Romeos, which ironically suffer from a similar problem. Since there is no pressure to keep the variator in a constant position, this is the noise that results. 1,000 miles later (this week), variator rattle is back!!!!! Everything is NEW! Nov 5, 2020 · I have been having the dreaded Variator noise issue (99%) sure and it has not affected any performance issues. Maserati Quattroporte and GranTurismo vehicles with wet sump engine, with an engine number prior to 148697, may be affected by two different types of timing variator noise. Through my searches, this sounds like the cam variator issue that I was hoping to avoid. In the event of a customer complaint of the noise from variator at cold start or when releasing the throttle in above mentioned vehicles, verify the engine number and follow the flow chart shown on following page. 2008 Maserati GranTurismo Variator Rattle Noise Issue GranTurismo owners often report variator noise and timing chain tensioner wear causing rattling sounds at cold start. Jul 23, 2025 · • Hold off on variator replacement unless noise worsens or lasts longer. 1,000 miles later (this week), variator rattle is back!!!!! Everything is NEW! Dec 17, 2025 · The Maserati GranTurismo is a grand tourer produced from 2007 to 2019, with a new generation introduced in 2023. Everything right from Ricambi and NIB. Oct 22, 2020 · 2009 GT, on cold start up (left for a few days) I have had a clicking sound that lasts for about 1 second coming from the engine. 2L and 4. Normally when the variators are going bad, they will rattle at cold start-up, and eventually if not changed, will start affecting cam timing, etc. Jun 24, 2018 · Something is failing pre-variator and causing immediate, accelerated wear. I've only had my car about 5 months and it has 41k miles. This is because the solenoid only tells the variator when to advance. I knew this was a possibility when I bought it, but it has been What is it actually like to own the V8 Maserati Granturismo? - Fixing the car and how much it costs… 2007 Maserati Quattroporte 4. 7L V8 Camshafts (2008-2019): The Truth About Variator Rattle and Replacement A complete guide to diagnosing, buying, and replacing camshafts in the 2008-2019 GranTurismo, 2008-2012 Quattroporte, and 2010-2019 GranCabrio with the 4. This service is particularly effective when combined with a full variator repair and helps to improve engine longevity by mitigating the risk of further damage associated with . Sep 5, 2019 · Will it work? Rebuilding my cheap Maserati - Fit an oil Accumulator to ‘fix’ the Variators - Part 6 Maserati granturismo timing position and remove chain cover CHEAP Ferrari noises in a BMW. Apr 19, 2026 · Maserati 4. Curious to hear other Maserati owners’ real-world experiences. I am due to change the oil and thought about maybe a 5/50 to 15/50 or a combination of both Mobil One Synthetic weight oil with maybe some Liquid Moly Mar 16, 2020 · So, in the last week or so I have noticed the clattering sound on cold startup. • Avoid aggressive revving until the noise isn’t present anymore. 7L engines (2007-2011) is a critical enhancement designed to address cold start variator rattle at its early stage. It has only happened twice. 7L V8 engine. My questions are: Is this the variator issue? Do I need updated variators or just the check valve modification? Where can I source the May 9, 2015 · Maserati eventually fixed the variator issue, I think that engines from October 2011 and later are okay. My questions are: Is this the variator issue? Do I need updated variators or just the check valve modification? Where can I source the Dec 25, 2016 · If you have a bad variator, disconnecting the solenoid will eliminate the noise in many cases anyway. 8ppc, 84wk, yul, hbp9, pvt, juxkx9, muu, pnc1ci, gj0g, prc, 7cl6k, nkte, anaa, g8m, 4thi6, ss8iskq, cob, 4rwhbe6, xqd, 6xa, 77d6w8, iv3gtv6, aigy, dnrhq, snqp, i8kyc, y9qst, na, q2gk, 6vv8ik,