2018 Porsche 911 gt3 problems
The Porsche 911 GT3 is a high-performance homologation model of the Porsche 911 sports car. It is a line of high-performance models, which began with the 1973 911 Carrera RS. The GT3 has had a successful racing career in the one-make national and regional Porsche Carrera Cup and GT3 Cup Challenge series, as well as the international Porsche Supercup supporting the FIA F1 World Championship.
Road cars
996 GT3
911 GT3
The "GT3" nameplate was introduced in 1999 as part of the first generation of the Porsche 996 model range (commonly known as 996.1) as a homologation model for the cars entered in the FIA GT3 cup. As with Porsche's previous 911 RS models, the 996 GT3 was focused on racing, and so was devoid of items that added unnecessary weight to the car. Sound deadening was almost completely removed, as were the rear seats, rear loud speakers, sunroof, and air conditioning, although automatic air conditioning and CD/radio became no-cost optional add-ons.
The engine of the 996 GT's and Turbo set it apart from 996 Carrera models, as it shared nothing with the standard so-called "integrated dry sump" (eg. wet-sump) flat-six engine used in the water-cooled 996 Carrera engine introduced in MY1999. The 996 GT engine is naturally aspirated and based on "The Mezger" racing engine used in the 962 and 911 GT1 race cars. That engine was known as the 'Mezger' engine, after its designer Hans Mezger. The engine uses the original air-cooled 911's versatile dry-sump crankcase, with an external oil reservoir. The 996 GT3 has 360 PS (265 kW; 355 hp), compared to the 300 PS (221 kW; 296 hp) of the standard 996. In GT3 configuration, this so-called "split" crankcase (meaning the parting line of crankcase is on the crankshaft centreline) uses, instead of a fan and finned cylinders, separate water jackets added onto each side of the crankcase to cool banks of three cylinders with water pumped through a radiator. Thus, the GT3 engine is very similar to the completely water-cooled 962 racing car's engine, which is based on the same crankcase. The 962 differs, however, by using six individual cylinder heads while the "Mezger" (GT1 engine block) uses two cylinder heads, each covering a bank of three cylinders. The GT3 engine could thus also be thought of as similar to a 959 engine, but with water-cooled crankcase. Up until model year 2004 996 production, the basic casting used for the "Mezger" crankcase of the GT3 was the same as the 996 GT1 LeMans cars, and the same "964.." block part-number is visible on the bottom of the crankcase. Beginning with MY2004 however, production was outsourced to Valmet facilities in Spain, France, and Austria, and all subsequent road-legal Mezger engines are part-numbered "996.." (even 997 Generation).
Because the GT1 Mezger block uses the same legacy Porsche 356 engine to transmission mounting flange configuration, the 996 GT3 used a 6-speed manual gearbox also of air-cooled 911 heritage. This new G96/50 gearbox has interchangeable gear ratios and is more durable making it more suitable for racing than the standard type 996 Carrera's gearbox.
To bring the vehicle's track-prowess to the maximum level, Porsche endowed the GT3 with enlarged brakes, a lowered, re-tuned suspension system, lighter-weight wheels and a new front bumper with matched rear spoiler to help increase downforce, thereby increasing grip.
Porsche offered a no-cost option for the GT3 called the 'Clubsport' package. This option replaced the standard electrically adjustable leather front seats with manually adjustable racing bucket seats finished in fire-retardant fabric, single mass flywheel, bolt-in half-roll cage, 6-point drivers racing harness (also replacing the standard side airbags), fire extinguisher (mounted in the front passenger footwell) and preparation for a battery master switch. The Clubsport option was never offered to US customers, ostensibly due to the additional DOT crash testing that would have been required to allow US sales.
Social links
Common 2018 Porsche 911 gt3 problems
The Porsche 911 GT3 2018 is a high-performance sports car that has been praised for its power, handling, and design. However, like any vehicle, it is not immune to mechanical issues. Here are some common problems reported by owners of the Porsche 911 GT3 2018:
- Ignition Switch Failure: The ignition switch is a critical component of the 911 GT3 2018, and it can fail over time. Symptoms of ignition switch failure include a key stuck in the ignition switch or no start.
- Rear Spoiler Malfunction: The 911 GT3 2018 features a rear spoiler that raises and lowers based on speed. However, failure of this system can be expensive. The slave cylinder, which is responsible for controlling the spoiler, can fail, leading to a lopsided spoiler or a "failure spoiler control" message on the dashboard.
- Engine Failure: The 911 GT3 2018 has been known to suffer from engine failures, particularly in the 991.1 GT3 models. These failures have been attributed to various issues, including loosened screw joints on the connecting rods and valvetrain issues related to finger followers. In some cases, Porsche has replaced the engines under warranty, but these failures can be costly and time-consuming to repair.
It is important to note that these problems are not necessarily common to all Porsche 911 GT3 2018 models, and many owners have reported no issues with their vehicles. However, it is essential to be aware of these potential problems and to address them promptly if they do occur. Regular maintenance and inspections can help identify and prevent these issues, ensuring that the 911 GT3 2018 remains a reliable and high-performing sports car.
Which GT3 had engine problems?
Problems with the 991.1 GT3's 3.8-liter engine were apparent right from the start. Shortly after the release of the car, Porsche issued a recall for all GT3 models in March 2014. That notice came as a result of loosened screw joints on the connecting rods. The issue ultimately caused two cars to suffer engine fires.
What are the pros and cons of a Porsche GT3?
2024 Porsche 911 GT3 / GT3 RS
- Highs Sharp chassis reflexes, outrageous performance, expertly tuned flat-six engine.
- Lows Hedge-fund manager price tag, difficult choice between the wild RS or subdued Touring models, stiff-legged ride on RS model.
What is the recall on 911 GT3?
(Porsche) is recalling certain 2022-2023 911 GT3 Touring vehicles. A software error in the rear spoiler control unit may allow both the vehicle and spoiler center high-mounted brake lights to activate simultaneously when the rear spoiler is manually deployed at speeds below 56 MPH (90 km/h).
What is the maintenance of Porsche 911 GT3?
Major maintenance intervals on the 911 GT3 991 versions were planned for 24K miles or 4 years. There are however, additional service items required at 2 and 6 year intervals. In addition, we recommend a PDK clutch fluid replacement at 48K miles or 4 years.
2018 Porsche 911 gt3 car problems categorized by type of issue
After analyzing all complaints sent to the NHTSA and researching popular Porsche 911 gt3 problems, we found that the most common problems with these 2023 model year vehicles are:
- Electrical system problems
The graph below shows statistics for all 2018 Porsche 911 gt3 vehicle components and the number of complaints received.
2018 Porsche 911 gt3 complaints
The NHTSA has received 1 complaints about various vehicle components related to the 2018 Porsche 911 gt3.
ELECTRICAL SYSTEM PROBLEM
- Date Of Incident: 2022-01-24
- VIN: wp0aa2a90js
- Components: ELECTRICAL SYSTEM
- Summary: The contact owns a 2018 Porsche Carrera. The contact stated while driving at 50MPH when the contact attempted to turn off their headlight switch on the vehicle but instead accidentally hit the ignition switch which caused the engine to shut off and the vehicle to coast on its own. The contact was able to veer to the side of the road and restart the vehicle and continue to drive to their residence. The contact concern was that headlight and ignition switch on the vehicle were so close together that its manufacturer design an error with the vehicle which could lead into an accident while driving the vehicle. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 12,000.
2018 Porsche 911 gt3 recalls
The National Highway Traffic Safety Administration (NHTSA) has issued 1 recalls for different components of the 2018 Porsche 911 gt3.
- Manufacturer: Porsche Cars North America, Inc.
- Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Summary: Porsche Cars North America, Inc. (Porsche) is recalling certain 2014 Cayman and Cayman S, 2014-2016 911 GT3, 2016 911 GT3 RS and 911 R, 2018 911 GT3 and 911 GT2 RS and 2019 911 GT3 RS, 911 GT3, and 911 GT2 RS vehicles. The Child Restraint System (CRS) instructions within the Owner's Manual may not provide enough specificity for proper installation. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."
- Consequence: Improper CRS installation increases the risk of an injury to the occupant in the event of a crash.
- Remedy: Porsche will notify owners, and dealers will provide a an Owner's Manual supplement with proper CRS installation instructions, free of charge. The recall began February 7, 2020. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AKC0.
Additional sources
More sources of information about 2018 Porsche 911 gt3 problems:
Any known issues with 991.2 GT3 so far? - Rennlist - Porsche ...
Feb 11, 2019 ... ... GT3 because I was fed up with series of engine faults ... Porsche Technical Discussion Areas; /; 991 GT3, GT3RS, GT2RS and 911R ... 2018. Posts:.
991 - Porsche 911 GT3 Maintenance Service Schedule
PcarWise Porsche Knowledge Portal | Find a Porsche Repair Shop | Common Problems | Buying Guides. Porsche 911 GT3 Maintenance Schedule – 991. Porsche 911 GT3 ...
2018 991.2 GT3 Engine Failure - Rennlist - Porsche Discussion ...
Apr 4, 2023 ... (but that's maybe only 5 engines that I've even looked at, as I've toyed with the idea of putting a GT3 engine in my base Carrera, without ...
2016 570s or 2015 Porsche GT3 | McLaren Life
May 22, 2020 ... Can you let me know what are some of the common issues associated with the 570s and what the cost were? And why you would choose a 570s over a ...
991.1 GT3RS failures - Rennlist - Porsche Discussion Forums
Oct 1, 2018 ... Agree, there were more engine problems with the 996 GT3, 997 GT3 and plenty more with the 991.1 GT3 (the 9,000rpm 3.8 engine). 911 R (991 ...
Other years of Porsche 911 gt3
Are you having problems with your 2018 Porsche 911 gt3?
Leave your review of 2018 Porsche 911 gt3