--- title: Transfer Case Repair in Reno, Nevada | A-1 Transmission url: https://a1transmissionrenonv.com/services/transfer-case-repair/ business: A-1 Transmission (A-1 Transmission Inc) address: 670 East Grove Street, Reno, NV 89502 phone: (775) 829-1333 hours: Monday to Friday 7:30 am to 5:30 pm, closed Saturday and Sunday type: Transmission shop and auto repair shop in Reno, Nevada, since 1968; walk-ins welcome during business hours, appointments suggested --- Photo: Gnangarra, CC BY 2.5 au, via Wikimedia Commons - [Home](https://a1transmissionrenonv.com/) - [Services](https://a1transmissionrenonv.com/services/) - Transfer case repair # Transfer case repair A transfer case is the gearbox that splits power between the front and rear axles in a four-wheel-drive vehicle, and transfer case repair fixes the gears, chain, shift mechanism or seals inside it. A-1 Transmission in Reno repairs transfer cases for trucks, SUVs and 4x4s. [Call (775) 829-1333](tel:+17758291333) [Get directions](https://www.google.com/maps/dir/?api=1&destination=A-1+Transmission+Inc,+670+East+Grove+Street,+Reno,+NV+89502&destination_place_id=ChIJZfhkfH4_mYARqc7eV_uhOws)[What is it doing?](https://a1transmissionrenonv.com/symptoms/#checker) 1968 In business since [4.6 ★ 112 Google reviews](https://maps.google.com/maps?cid=809418658926218921) ATRA Member shop M-F 7:30 am to 5:30 pm Symptoms ## Signs that point to this work [4WD noise or 4WD not engaging (transfer case) Transfer case noise or a four-wheel-drive system that will not engage usually comes from low or worn fluid, a stretched chain.](https://a1transmissionrenonv.com/symptoms/4wd-noise-or-not-engaging/)[Whining, grinding or clunking A transmission whining noise is usually a hum that rises and falls with engine speed and often comes from the fluid pump or from gears running short of fluid.](https://a1transmissionrenonv.com/symptoms/noise-whining-grinding/)[Transmission fluid leak (red or brown fluid) A transmission fluid leak shows up as red, pink or brown oily fluid on the ground, usually near the front or middle of the vehicle.](https://a1transmissionrenonv.com/symptoms/fluid-leak/) ## What transfer case work generally involves What this work generally involves at a transmission shop: - Checking for leaks, and the fluid level and condition - Testing the 4WD shift and engagement - Listening for chain, bearing and gear noise - Checking the shift motor, sensor and wiring on electronic units - Repairing or rebuilding the case: chain, bearings and seals Every vehicle is different: ask what yours will include when you call. Ask about warranty coverage when you call, too. If your 4x4 whines in four-wheel drive, will not shift between modes or leaves fluid on the driveway, the transfer case is a likely place to look. The shop lists transfer cases as one of its services, next to transmissions and clutches, and works on 4x4s, trucks, SUVs, RVs and cars, foreign and domestic. ## What a transfer case does The transmission sends power to the transfer case, and the transfer case sends it on to the front and rear driveshafts. In a part-time 4x4 you choose two-wheel drive or four-wheel drive, and many have a low range with extra gear reduction for crawling or pulling. Inside are gears or a chain, bearings, a shift fork or an electric motor, and fluid. See [what is a transfer case](https://a1transmissionrenonv.com/guides/what-is-a-transfer-case/) and [how 4WD differs from AWD](https://a1transmissionrenonv.com/guides/4wd-vs-awd/) for the longer explanation. ## Signs the transfer case needs a look Details are on the [4WD noise or 4WD not engaging](https://a1transmissionrenonv.com/symptoms/4wd-noise-or-not-engaging/) page. A leak is covered under [transmission fluid leak](https://a1transmissionrenonv.com/symptoms/fluid-leak/), because the case and the transmission sit close together and fluid can come from either. - Whining, humming or grinding that changes with speed or when 4WD is selected - 4WD or low range that will not engage or will not disengage - The 4WD light flashing or staying on - Fluid at the case, often at the output seals or the case seam - A clunk or binding when turning on dry pavement in 4WD ## Why 4x4s in this area use it hard Winter storms, packed snow on Mount Rose Highway and Interstate 80 over Donner Summit, dirt roads and desert trails mean the transfer case sees real use. Mismatched tire sizes, fluid left too long and driving in four-wheel drive on dry pavement are common causes of wear, and the owner's manual for your vehicle covers the right use of each mode. ## What the shop does first The shop starts, as it does with all of its work, with a diagnosis: "We will diagnose the situation to determine the kind of service you need." Problems that feel like a transfer case can come from the transmission, a driveshaft, a front axle or a switch. The shop works out where the problem is before parts are chosen. A Google review from January 2026 reads: "These guys don't mess around when it comes to Transmissions they know their stuff." ## Vehicles and what to ask Transfer cases are found in pickups, SUVs and Jeeps; see [4x4s and four-wheel drive](https://a1transmissionrenonv.com/vehicles/4x4s/) and [Jeep transmissions and transfer cases](https://a1transmissionrenonv.com/vehicles/jeep/). Call with the year, make, model and engine and which modes work. Ask about cost, timing and warranty coverage and the shop will answer for your vehicle. ### Sources - [Transfer case, Wikipedia](https://en.wikipedia.org/wiki/Transfer_case) - [Four-wheel drive, Wikipedia](https://en.wikipedia.org/wiki/Four-wheel_drive) - [A-1 Transmission, Services page (old site, read September 6, 2026)](https://a1transmissionrenonv.com/services/) Keep reading ## Related pages [4x4s and four-wheel drive A-1 Transmission repairs 4x4 transmissions and transfer cases at its Reno shop.](https://a1transmissionrenonv.com/vehicles/4x4s/)[What is a transfer case? A transfer case is a gearbox that takes power from the transmission and splits it between the front and rear axles of a four-wheel-drive or all-wheel-drive vehicle.](https://a1transmissionrenonv.com/guides/what-is-a-transfer-case/)[Transmission diagnosis Transmission diagnosis is the step where a mechanic finds out what is actually wrong before choosing a repair.](https://a1transmissionrenonv.com/services/transmission-diagnosis/)[Getting a car that won't move to the shop If your car won't go into gear or won't move, get it somewhere safe, run through the basic checks, then call the shop before anything else.](https://a1transmissionrenonv.com/guides/getting-a-car-that-wont-move-to-the-shop/) Inside the shop ## The shop at 670 East Grove Street Google reviews ## What drivers say 4.6 ★★★★ ★ [112 Google reviews (read October 18, 2026)](https://maps.google.com/maps?cid=809418658926218921) ★★★★★ A-1 Transmission is my go to Transmission shop. I’ve been going to them for years now. These guys don’t mess around when it comes to Transmissions they know their stuff. I highly recommend A-1 Transmission, if you want the job done right the first time. Google review, January 2026 ★★★★★ I could not recommend this company any higher. They were extremely friendly and helpful. Very professional!!! Google review, March 2025 ★★★★★ Our transmission went out on a Sunday, we called A1 on Monday morning, they got us in that day. Had to rebuild the transmission, and they were done with our truck on Thursday. Google review, March 2024 [Read more reviews](https://a1transmissionrenonv.com/reviews/) Answers ## Transfer case repair questions Still have a question? Call [(775) 829-1333](tel:+17758291333) during shop hours. More answers are on the [questions page](https://a1transmissionrenonv.com/faq/). ### Can I drive with a bad transfer case? It depends on the problem. Noise or a leak calls for a quick call to the shop, because low fluid can damage the gears quickly. A vehicle that will not move needs a different plan; see the guide on getting a car that won't move to the shop. ### Is 4WD that won't engage always the transfer case? No. It can be a switch, a vacuum or electric actuator, a front hub or axle, or the transfer case itself. The diagnosis separates them. ### Does an AWD vehicle have a transfer case? Many do, in some form. Call with the year, make and model and the shop will tell you what applies to your vehicle. Services ## Other work at the shop [Transmission diagnosis Transmission diagnosis is the step where a mechanic finds out what is actually wrong before choosing a repair.](https://a1transmissionrenonv.com/services/transmission-diagnosis/)[Transmission fluid service Transmission fluid service replaces the worn fluid that cools, lubricates and operates your transmission.](https://a1transmissionrenonv.com/services/transmission-fluid-service/)[Oil changes An oil change replaces the engine's used oil and oil filter with fresh ones to keep the engine lubricated and clean.](https://a1transmissionrenonv.com/services/oil-change/)[Auto repair and maintenance A-1 Transmission in Reno is a transmission shop that also does general auto repair and maintenance for cars, trucks and SUVs.](https://a1transmissionrenonv.com/services/auto-repair-and-maintenance/)[Transmission repair Transmission repair means finding what is wrong inside or around the transmission and fixing that part.](https://a1transmissionrenonv.com/services/transmission-repair/)[Transmission rebuilds and overhauls A-1 Transmission rebuilds and overhauls automatic and standard transmissions in Reno, for cars, trucks, RVs and 4x4s.](https://a1transmissionrenonv.com/services/transmission-rebuild/)[Automatic transmission repair Automatic transmission repair covers the gear sets, clutches, valve body, torque converter and electronics that shift for you.](https://a1transmissionrenonv.com/services/automatic-transmission/)[Standard (manual) transmission repair A standard, or manual, transmission is the gearbox you shift yourself with a clutch pedal and a shifter.](https://a1transmissionrenonv.com/services/manual-transmission/)[Clutch repair and replacement A clutch is the wear item between your engine and a manual gearbox.](https://a1transmissionrenonv.com/services/clutch-replacement/) ## Not shifting right? 670 East Grove Street, Reno, NV 89502 Monday to Friday, 7:30 am to 5:30 pm [What to tell us when you call](https://a1transmissionrenonv.com/call/) [(775) 829-1333](tel:+17758291333)