2007 Audi Q7 3.6 Timing Belt or Chain
Timing chains are the disquisitional link between the crankshaft and camshaft. Through a serial of guides and tensioners, the bondage are responsible for keeping the cylinder caput valves in sync with the combustion sleeping accommodation pistons.
If the timing chain becomes loose, either by stretching or a failed tensioner, at that place are serious issues ahead.
What's Happening in Audi's EA888 Engine ∞
One of the master reasons chains have replaced belts in high-displacement engines is their longevity. Volkswagen, parent company of Audi, says you shouldn't have to worry about timing chain maintenance for 120,000 miles in their own maintenance schedules.
And then why are Audi's timing bondage failing so early?
It's likely a timing concatenation tensioner failure. Tensioners brand sure the chain is tightly wound to the pulleys and gears. If the tensioner fails and the chain becomes loose, the timing of the engine is thrown off.
Symptoms of a loose timing chain ∞
When a timing chain is loose you'll probable hear a rattle during startup or idling in the engine. The rattle might exist accompanied by a check engine low-cal triggered by sensors in the crankshaft and camshaft that are detecting timing issues.
With a loose timing concatenation you'll have problem starting the engine or information technology might misfire while driving. That's because the timing between the valves and pistons are out of sync, and the combustion role of you internal combustion engine is busted.
If a loose timing concatenation isn't addressed immediately it could break, and crusade catastrophic damage to the engine.
As the issues piled upwardly, the lawsuits rolled in ∞
Audi began releasing Technical Service Bulletins (TSB) to its network of dealerships effectually 2010. The TSBs outlined how to respond to customer complaints well-nigh the timing concatenation.
One of the most popular responses was to accuse owners of improper oil and filter maintenance, and ask for records (including receipts) before doing any warranty piece of work.
Fed upwards and facing massive repair bills, the showtime timing chain lawsuit was filed in May of 2016. Information technology placed blame on the tensioner arrangement and said VW should help pay for repairs.
Another class-action lawsuit before long followed past 24 plaintiffs in 17 states claiming the timing chains "jump a tooth" in the camshaft.
The lawsuits were eventually combined in a New Jersey court, despite VW'due south motion to dismiss the cases.
Volkswagen and Audi Timing Chain Settlement ∞
Every bit the court fees piled up, Volkswagen agreed to settle 7 class-activeness lawsuits in one combined action in May 2018.
Extended warranty ∞
Every bit function of the settlement, the following Volkswagen vehicles were given an extended "new vehicle limited warranty" to embrace futurity repairs or replacements of the timing chains and tensioners.
| Model | Years |
|---|---|
| A3 | 2008-2012 |
| A4 | 2009-2013 |
| A4 Avant | 2009-2012 |
| A5 | 2010-2013 |
| A5 Cabriolet | 2010-2013 |
| A6 | 2012 |
| Q5 | 2011-2012 |
| TT | 2009-2012 |
| TT Roasdster | 2009-2012 |
Owners and lessees of the vehicles are automatically awarded the extended warranty unless they opted out of the class-action by December 3rd, 2018.
Notation: You can notice out which VW vehicles are involved in the settlement over at VWProblems.com
Reimbursements for timing chains and tensioners ∞
If you've already repaired or replaced the timing chain arrangement, you may be eligible for a reimbursement if the service was washed within 10 years or 100,000 miles of when the vehicle first entered service.
If the work was done at an authorized VW dealership, 100% of the price will exist refunded. Otherwise, a refund between $1,100 and $1,500 will be awarded depending on what needed fixing.
Two conditions of the settlement:
- VW says they volition not be responsible for any bug associated with timing chains or tensioners repaired past an independent service eye, unless the parts were ordered from an official dealer and fail inside 1 year or 12,000 miles.
- At that place will be no reimbursement for out-of-pocket costs of any repairs or replacements to the timing chains, tensioners or engines if the piece of work was performed more than 30 days later the settlement notice date by anyone other than an authorized Audi or VW dealership.
More details on the timing chain reimbursements. Still with me, good?
As role of the settlement, VW will reimburse you lot for expenses related to engine harm. However, an authorized dealer will demand to make the conclusion if the timing chain was actually to arraign. Who wants to place bets on if they'll brand that process difficult?
Reimbursements for out-of-pocket expenses volition exist based on the following parameters.
The aforementioned parameters utilize if an contained service center performed the engine work, merely a maximum amount of $6,500 will be awarded.
More details on the engine repair reimbursements.
Further Reading
A timeline of stories related to this problem. We try to boil these stories down to the most of import bits so you lot can quickly see where things stand. Interested in getting these stories in an e-mail? Signup for free email alerts for your vehicle over at CarComplaints.com.
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A timing chain tensioner lawsuit has been filed in New Jersey claiming multiple Audi and VW vehicles are at risk of consummate engine failure due to a manufacturing defect.
The lawsuit accuses Volkswagen of intentionally concealing the defect.…
go on reading article "VW/Audi Timing Concatenation Tensioner Lawsuit Filed in NJ"
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2007 Audi Q7 3.6 Timing Belt or Chain
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