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54-662: Styled as the most "rugged" of the GM minivans, the Montana was styled with two-tone lower body cladding evoking the design of SUVs, with the second-generation Montana SV6 (introduced for 2005) adopting more aggressive exterior styling and optional all-wheel drive. The SV6 was discontinued in the United States after 2006 (following slow sales), with Pontiac continuing to sell the model line in Canada and Mexico through 2009 (a year before

108-688: A "Poor" rating and was ranked as the "Worst Performing Vehicle" by the institute as a result. This status was also applied to the Chevrolet Venture and the Oldsmobile Silhouette as they both use the same chassis and body design, including the later first-generation Pontiac Montana. Some comments made by the IIHS after the first test in 1996 were: In a semi-related event, the Trans Sport/Montana's European equivalent,

162-496: A completely different design than the previous one was also introduced. The standard trim was simply named as the Montana. In contrast to the Trans Sport Montana, which exclusively featured grey/tan body cladding, the Montana offered both monochrome and grey/tan body cladding for all colors. Two rim choices for the wheels continued to be offered. A Montana GT trim came in later in the early 2000s. The Montana Thunder

216-422: A cone based air filter, some will opt to install a simple stainless steel mesh over the turbo to ensure no particles enter the engine via the turbo. An oil bath air cleaner consists of a sump containing a pool of oil, and an insert which is filled with fiber, mesh, foam, or another coarse filter media. The cleaner removes particles by adhering them to the oil-soaked filter media rather than traditional filtration,

270-446: A particular application, such filters present only trivial restriction to flow until the filter has become significantly clogged with dirt. Construction equipment engines also use this. The reason is that the paper is bent in zig-zag shape, and the total area of the paper is very large, in the range of 50 times of the air opening. Oil-wetted polyurethane foam elements are used in some aftermarket replacement automobile air filters. Foam

324-399: A slot in the firewall. A long, thin rubber seal plugged the slot when the filter was installed. The filter could be vacuumed and washed prior to installation. Clogged or dirty cabin air filters can significantly reduce airflow from the cabin vents, as well as introduce allergens into the cabin air stream. Since the cabin air temperature depends upon the flow rate of the air passing through

378-398: Is a device composed of fibrous , or porous materials which removes particulates such as smoke , dust , pollen , mold , viruses and bacteria from the air . Filters containing an adsorbent or catalyst such as charcoal (carbon) may also remove odors and gaseous pollutants such as volatile organic compounds or ozone . Air filters are used in applications where air quality

432-687: Is important, notably in building ventilation systems and in engines. Some buildings, as well as aircraft and other human-made environments (e.g., satellites , and Space Shuttles ) use foam, pleated paper, or spun fiberglass filter elements. Another method, air ionizers , use fibers or elements with a static electric charge, which attract dust particles. The air intakes of internal combustion engines and air compressors tend to use either paper , foam , or cotton filters. Oil bath filters have fallen out of favour aside from niche uses. The technology of air intake filters of gas turbines has improved significantly in recent years, due to improvements in

486-472: Is positioned above or beside the carburetor or throttle body, usually in a metal or plastic container which may incorporate ducting to provide cool and/or warm inlet air, and secured with a metal or plastic lid. The overall unit (filter and housing together) is called the air cleaner . Pleated paper filter elements are the nearly exclusive choice for automobile engine air cleaners, because they are efficient, easy to service, and cost-effective. The "paper" term

540-410: Is somewhat misleading, as the filter media are considerably different from papers used for writing or packaging, etc. There is a persistent belief among tuners , fomented by advertising for aftermarket non-paper replacement filters, that paper filters flow poorly and thus restrict engine performance. In fact, as long as a pleated-paper filter is sized appropriately for the airflow volumes encountered in

594-542: Is typically a pleated-paper filter that is placed in the outside-air intake for the vehicle's passenger compartment. Some of these filters are rectangular and similar in shape to the engine air filter. Others are uniquely shaped to fit the available space of particular vehicles' outside-air intakes. The first automaker to include a disposable filter to keep the ventilation system clean was the Nash Motors " Weather Eye ", introduced in 1940. A reusable heater core filter

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648-489: The Atlanta Journal-Constitution on January 28, 2010, New Broad Street Doraville, LLC, a development company, has executed a purchase contract with General Motors to purchase the former plant, with plans to build a mixed-use , transit-oriented development . New Broad Street's deal fell through when DeKalb County decided against using its federal stimulus and property taxes dollars to partially fund

702-690: The Chevrolet Trans Sport . The 2000–2010 GL8 is similar to the first-generation Pontiac Montana, while the 2010–2016 GL8 and 2005–2016 GL8 First Land is similar to the later Pontiac Montana SV6. Both generations of the Buick GL8 minivans were only sold in China. Despite the redesign of the Montana as the Montana SV6 in 2005, Pontiac continued to sell the original body style for the 2005 model year for fleet use. The last Montana rolled off

756-578: The Doraville, Georgia assembly plant, which produced the SV6, in 2008. However, several months later, GM announced that the SV6 would be discontinued after 2006 in the US due to poor sales, while production for both Canada and Mexico would continue because the SV6 sold better in those markets. The last SV6 for the U.S. market rolled off the assembly line on July 7, 2006. Production ended for Canada and Mexico with

810-554: The Opel/Vauxhall Sintra , also fared badly in Euro NCAP 's frontal impact crash test on a 1998 model year minivan, made worse by the steering wheel (and airbag) breaking off from the dashboard (a phenomenon that was not present in the IIHS test). Despite performing well in the side impact test, it rated 2.5 stars as a result. The safety issues of the Trans Sport/Montana and its U-body siblings were later addressed with

864-553: The United States Department of Energy (DOE). Varying standards define what qualifies as a HEPA filter. The two most common standards require that an air filter must remove (from the air that passes through) 99.95% (European Standard) or 99.97% (ASME standard) of particles that have a size greater than or equal to 0.3  μm . The cabin air filter, also known in the United Kingdom as a pollen filter,

918-611: The aerodynamics and fluid dynamics of the air-compressor part of the gas turbines. High efficiency particulate arrester (HEPA), originally called high-efficiency particulate absorber but also sometimes called high-efficiency particulate arresting or high-efficiency particulate arrestance, is a type of air filter. Filters meeting the HEPA standard have many applications, including use in clean rooms for IC fabrication, medical facilities, automobiles, aircraft and homes. The filter must satisfy certain standards of efficiency such as those set by

972-434: The heater core , the evaporator , or both, clogged filters can greatly reduce the effectiveness and performance of the vehicle's air conditioning and heating systems. Some cabin air filters perform poorly, and some cabin air filter manufacturers do not print a minimum efficiency reporting value (MERV) filter rating on their cabin air filters. The combustion air filter prevents abrasive particulate matter from entering

1026-545: The rapid transit for the new land development around the Doraville station . As of 2014 the entire assembly facility has been torn down to make way for a new mixed-used, transit oriented development. A corner portion (about 20 acres) was sold off to the Nalley Automotive Group and will be located next to the current Brandsmart. It's the farthest location from the Doraville MARTA station, hence

1080-660: The "PONTIAC" lettering on the airbag replaced with the Pontiac logo. For 2003, the sport-style head restraints were dropped in favor of the conventional head restraints that were offered on the Venture and Silhouette. The anti-lock brakes became optional for the Montana as well as for the Venture, but remained as standard equipment for the Silhouette before the demise of the Oldsmobile brand in 2004. A new steering wheel with

1134-502: The 2002–2003 Montana Thunder apart from the headrests, which were made in a different design. In 1996, the Insurance Institute for Highway Safety (IIHS) crash tested a 1997 Pontiac Trans Sport among other minivans of the time. The minivan suffered extreme damage to the vehicle in the 40 mph (64 km/h) moderate overlap crash test, which has resulted in some criticism by contemporary reviewers. The minivan received

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1188-399: The 2005 model year, the Montana was restyled with a higher, SUV-like front clip, with a name change to Montana SV6 . The 2005 Montana SV6 used a 3.5  L High Value 3500 LX9 V6 that generated 200  hp (150  kW ) and 220  ft⋅lbf (300  N⋅m ). For 2006, a 3.9 L LZ9 V6, with 240 hp (179 kW) and 240 lb·ft (332 Nm) torque, was added as an option, and

1242-717: The 2009 model year, with the demise of the Pontiac brand a year later and the closing of the Doraville, Georgia plant on September 26, 2008. The last vehicle built was a Canadian-bound Montana SV6 SWB with roof rack in Liquid Silver Metallic. It was delivered to the Marvin Starr dealership in Scarborough, Ontario . There has been no direct replacements for the Montana SV6, due to the discontinuation of

1296-519: The Montana SV6 (and the related Uplander ), which earned the highest rating of "Good" given by the institute in the moderate overlap crash test. The National Highway Traffic Safety Administration gave the van 4 stars for driver protection and 3 stars for passenger protection in the 35 mph (56 km/h) frontal impact test. In the side impact test, it received 5 stars for front passenger protection, and 5 stars rear passenger protection. This applies to all other second-generation U-body minivans. For

1350-440: The Pontiac brand in 2010. Doraville Assembly Doraville Assembly was a General Motors automobile factory in Doraville, Georgia , just northeast of Atlanta . The plant opened in 1947 and was under the management of GM's newly created Buick-Oldsmobile-Pontiac Assembly Division created in 1945. It was closed on 26 September 2008 as part of the company's cost-cutting measures. According to an article that appeared in

1404-649: The United States or Canada. As the GMT200 platform was replaced by the fullsize GM Lambda CUVs, the GMC Acadia served as the closest successor. The Montana nameplate was first used as a trim level of the Pontiac Trans Sport minivan for the 1997–1998 model years. GM dropped the Trans Sport name in 1998 for MY 1999 (1999 for MY2000 in Canada respectively) and the van simply became Montana. It

1458-460: The bottom of the base bowl. Lighter and smaller particles stick to the filtration media in the insert, which is wetted by oil droplets aspirated there into by normal airflow. The constant aspiration of oil onto the filter media slowly carries most of the finer trapped particles downward and the oil drips back into the reservoir where the particles accumulate. Oil bath air cleaners were very widely used in automotive and small engine applications until

1512-487: The closure of Pontiac). Since the introduction of the original "Dustbuster" generation, Pontiac Trans Sports and Montanas were the most popular minivans among consumers in Canada. General Motors assembled the Pontiac Montana alongside its divisional counterparts at its Doraville Assembly ( Doraville, Georgia ) facility, which closed on September 26, 2008. The Montana was not replaced within Pontiac in either

1566-444: The early 20th century (about 1900 to 1930), water bath air cleaners were used in some applications (cars, trucks, tractors, and portable and stationary engines). They worked on roughly the same principles as oil bath air cleaners . For example, the original Fordson tractor had a water bath air cleaner. By the 1940s, oil bath designs had displaced water bath designs because of better filtering performance. Bulk solids handling involves

1620-484: The engine's cylinders, where it would cause mechanical wear and oil contamination. Most fuel injected vehicles use a pleated paper filter element in the form of a flat panel. This filter is usually placed inside a plastic box connected to the throttle body with duct work. Older vehicles that use carburetors or throttle body fuel injection typically use a cylindrical air filter, usually between 100 millimetres (4 in) and 400 millimetres (16 in) in diameter. This

1674-499: The glove compartment. OnStar continues to be offered as an option. There were two door/ignition warning chimes that were used in the Montana during MY1999, one that was the same one found in the second-generation Trans Sport/Trans Sport Montana and the other was a different-sounding one used in other models. For 2000, the different-sounding door/ignition warning chime offered in MY1999 was adopted for all models. The instrument cluster

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1728-422: The latter property making foam filters a popular choice in off-road rallying and other motorsport applications where high levels of dust will be encountered. Due to the way dust is captured on foam filters, large amounts may be trapped without measurable change in airflow restriction. Oiled cotton gauze is employed in a growing number of aftermarket automotive air filters marketed as high-performance items. In

1782-648: The least walkable. The site was purchased by Integral Group and Macauley + Schmit. They have developed a master plan of streets, parks and such which was approved by the City of Doraville. Plans include a "covered street" that will connect Park Avenue to the Assembly Doraville, by going under the MARTA station as well as 13 Norfolk Southern railroad tracks The former training facility on the Southern portion of

1836-441: The long wheelbase version measured 120-inches. The minivan uses disk brakes for the front wheels and drum brakes for the rear wheels, and uses front MacPherson struts with rear coil over springs. The Pontiac Montana continues to use the 180 hp (134 kW) 3.4 L V6 engine from the second-generation Pontiac Trans Sport. A four-speed automatic transmission continues to be offered as standard equipment. The Pontiac Montana

1890-402: The openings in the filter media are much larger than the particles that are to be filtered. When the cleaner is assembled, the media-containing body of the insert sits a short distance above the surface of the oil pool. The rim of the insert overlaps the rim of the sump. This arrangement forms a labyrinthine path through which the air must travel in a series of U-turns: up through the gap between

1944-560: The past, cotton gauze saw limited use in original-equipment automotive air filters. However, since the introduction of the Abarth SS versions, the Fiat subsidiary supplies cotton gauze air filters as OE filters. Stainless steel mesh is another example of medium which allow more air to pass through. Stainless steel mesh comes with different mesh counts, offering different filtration standards. In an extreme modified engine lacking in space for

1998-492: The process, especially at the reception of pneumatic conveying lines where the quantity of air is important and the load in fine particle quite important. Filters can also be placed at any point of air exchange in the process to avoid that pollutants enter the process, which is particularly true in pharmaceuticals and food industries. The physical phenomena involved in catching particles with a filter are mainly inertial and diffusional Under European normalization standards EN 779,

2052-624: The production line in September 2004. The Pontiac Montana is based on the GMT200 platform (aka "U-body" in VIN designations), used by the Venture, Silhouette, Sintra, and the first-generation GL8. The new platform uses a unibody type chassis as opposed to the older, uniquely-designed space frame type chassis used in the GMT199 platform minivans. The short wheelbase version measured 112-inches, while

2106-515: The project. Doraville Assembly was one of two General Motors factories in Atlanta, the second one was called Lakewood Assembly , in the southeast community of Lakewood Heights , built in 1927. The site is adjacent to the four- track Doraville Yard , a railyard that primarily loaded GM automobiles into auto carriers , and is still served by Norfolk Southern for other uses. MARTA 's Gold (formerly Northeast) line passes nearby, providing

2160-404: The rear bench seats (split or full-length) were offered in 2-2-3 configurations. The Pontiac Montana (as well as other U-body minivans) was one of the few minivans which provided seating for eight. The seats were offered in both cloth and leather surfaces, with the latter being an option. New for this generation were cabin air filters , which can be easily accessed from behind an access panel inside

2214-403: The rims of the insert and the sump, down through the gap between the outer wall of the insert and the inner wall of the sump, and up through the filter media in the body of the insert. This U-turn takes the air at high velocity across the surface of the oil pool. Larger and heavier dust and dirt particles in the air cannot make the turn due to their inertia , so they fall into the oil and settle to

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2268-506: The site has been converted into Third Rail Studios, a full service film and television production facility to serve the growing film and television industry in Georgia. Third Rail Studios opened in August 2016. 33°54′13.19″N 84°17′1.04″W  /  33.9036639°N 84.2836222°W  / 33.9036639; -84.2836222 Cabin air filter A particulate air filter

2322-431: The transport of solids (mechanical transport, pneumatic transport) which may be in a powder form. Many industries are handling bulk solids (mining industries, chemical industries, food industries) which requires the treatment of air streams escaping the process so that fine particles are not emitted, for regulatory reasons or economical reasons (loss of materials). As a consequence, air filters are positioned at many places in

2376-569: The van became Montana for MY1999. The B-pillars continued to be colored in black in most color choices but were also made as the same color as the body in some color choices. The interior remained largely the same as the second-generation Trans Sport, including the steering wheel, instrument cluster, and the like. Three seating configurations were available, with eight-passenger (2-3-3) and seven-passenger versions (2-2-3, 2-3-2) being offered. Second-row modular seats with hidden child restraints were available in 2-3-3, 2-3-2, and 2-2-3 configurations, while

2430-519: The vehicle added GM badges to the front doors. For 2007, the 3.5 L V6 was dropped, leaving the 3.9 L as the base engine. Consequently, the optional AWD system was also dropped, since it could not handle the torque of the 3.9 L engine. A flex-fuel version of the 3.9 L V6 also became available for the SV6 in 2007, exclusively in Canada and Mexico. Similar to the Chevrolet Uplander , Saturn Relay , and Buick Terraza , it

2484-630: The widespread industry adoption of the paper filter in the early 1960s. Such cleaners are still used in off-road equipment where very high levels of dust are encountered, for oil bath air cleaners can sequester a great deal of dirt relative to their overall size without loss of filtration efficiency or airflow. However, the liquid oil makes cleaning and servicing such air cleaners messy and inconvenient, they must be relatively large to avoid excessive restriction at high airflow rates, and they tend to increase exhaust emissions of unburned hydrocarbons due to oil aspiration when used on spark-ignition engines. In

2538-466: Was also redesigned as well. No other changes were made to the exterior and interior of the vehicle. For 2001, the Montana received a minor facelift, with a new front bumper and split grille design, the red markers on the rear bumpers being removed, the B-pillars becoming body-colored as opposed to black in most cases, and a new steering wheel that has, among others, removed the audio control buttons and

2592-414: Was available as an optional accessory on Studebaker models beginning in 1959, including Studebaker Lark automobiles (1959-1966), Studebaker Gran Turismo Hawk automobiles (1962-1964) and Studebaker Champ trucks (1960-1964). The filter was an aluminum frame containing an aluminum mesh and was located directly above the heater core. The filter was removed and installed from the engine compartment through

2646-495: Was designed with a more conventional (and conservative) styling reminiscent of the third-generation Dodge/Chrysler/Plymouth minivans , moving away from the "Dustbuster" look of the previous generation U-body minivans. It came in both short and long wheelbase versions. It was initially produced with single or dual sliding doors when it was introduced as a trim level in MY1997, however dual sliding doors would become standard by 1998 when

2700-519: Was first used on a 1998 minivan concept showcased at the 1998 North American International Auto Show . The Thunder trim package was produced in 2002 and 2003, however it was made as an optional package on Montana GTs in 2004 called the "Chrome-Sport" package. Only the "Thunder" badges were discontinued. There were some rare AWD Versatrak versions made in 2002 and 2003 alongside the Montana Thunder. These trim packages were mostly identical to

2754-469: Was in the past widely used in air cleaners on small engines on lawnmowers and other power equipment, but automotive-type paper filter elements have largely supplanted oil-wetted foam in these applications. Foam filters are still commonly used on air compressors for air tools up to 5 horsepower (3.7 kW). Depending on the grade and thickness of foam employed, an oil-wetted foam filter element can offer minimal airflow restriction or very high dirt capacity,

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2808-414: Was introduced in 2002 as the most up-level model of the Montana. It featured special "Thunder" badging, Thunder-specific 16" chrome 5-spoke wheels, upgraded ride and handling package, and a special spoiler on the back of the roof rack. Inside, it had special two-tone black and grey leather seating, and a perforated leather-wrapped steering wheel. Prior to its introduction in 2002, the Montana Thunder nameplate

2862-592: Was related to the Chevrolet Venture , the Oldsmobile Silhouette , the Opel/Vauxhall Sintra , and the first generation Buick GL8 . The Opel and Vauxhall models were only sold in Europe, even though they were made in the same factory in the U.S. as with the other U-body minivans. Chevrolet also introduced a nearly identical twin to Pontiac save for its badging for European consumers, named as

2916-814: Was the second-costliest of its cousins. In the United States and Mexico only the long-wheelbase version was sold. In Mexico , the Montana continued until the 2009 model year, with the 3.9 L V6 as the only engine option. General Motors marketed it as the Pontiac Montana SV6 , and it was almost identical to the discontinued US version, but different from the Canadian-specification model. In some parts of Canada, unsold 2009 models were sold as 2010 models. Some of these were also adapted as city taxis in Toronto and Montreal starting in 2010. On November 21, 2005, GM announced that it would close

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