If checking cold, fluid levle will should be between the add & full, if checking the fluid level after driving, w/the vechile still running, check the fluid level w/the vechile in park or neutral, depending on what is stamped on the dip stick, check the hot level, should be between add & full. The transmission fluid on the dipstick should be pinkish and almost clear. Find out how to keep your Honda transmission in good working order for years to come. The hot check is performed while the engine is running. The engine still should be running when doing this on most vehicles. Your owners`manual will tell you if you should check the transmission fluid when the. A car having transmission problems in cold weather is a very common issue. The problem still persists and was wondering if I didn't add enough as it showed to the max fill level when I poured some in while it was hot. Color is very important for transmission oil. Your car's engine should be running when you add fluid to the transmission, but you should have the transmission in park and the handbrake activated for safety. . It's not uncommon for it to show above the full mark when cold. Park on a level surface, engine RUNNING. Place the funnel into the top of the dipstick and add a little bit at a time, depending on the reading of the dipstick. Transmission fluid has to be checked when the car is warm. When the fluid is at operating temperature its level should be between the two markings. Motorhead. If your transmission is in good health, the automatic transmission fluid (ATF) should not be low. If the level is near or below the lower mark, add enough fluid to reach the appropriate upper mark. … Excessive metal debris, however, could indicate a more serious issue. Pertinence. How to properly check transmission fluid. My main problem is I am not sure if there is too little because it seems fine on the dipstick when cool but empty when hot. Use a rag to wipe away the residue from the inside of the pan. If the engine is cool, it should be at the upper end of the “COLD” mark. Reinsert the dipstick, remove it, and read the transmission fluid level. Pull the dipstick out again and look at the film of fluid on the end. If it's low when hot, add more. Full' and 'Add' or 'Hot' and 'Cold.'.. Advertisement. You don't want to check it while it is cold because it will settle at the bottom and you can't get an accurate reading. Avoid these Mistakes with Black Transmission Fluid; How To Check Automatic Transmission Fluid. Keep your engine idling with the transmission in park and the parking brake set. 0 0. Observe markings at end of dipstick. However, the transmission dipstick will have a hot and a cold range (some have high and low or min and max). nujac. Part 2 of 2: How to Add the Fluid. It is affected, however, and does impact performance and wear. I recently installed a transmission temperature fluid guage right before the fluid enters the after market transmission cooler. 3/4 is fine. Checking Transmission Fluid. Réponse préférée. If the level is in the recommended cold range, drive the vehicle for 20 minutes. Leave engine running, important. The fluid would normally be roughly 1 cm higher as the fluid and transmission parts warm up and expand. 1. Advertisement. The gears have to engage for the transmission to warm up. Your fluid level sounds much too high. If the transmission requires more than a quart or is using fluid regularly, take your car in to have it checked for leaks. Should transmission fluid be hot before you change it? I mean hell, I towed with this truck a few hundred miles this past year too so it was tested pretty well. You will want to check it while it is hot and while the car is running. For an accurate reading, the fluid needs to be the same temperature and consistency as it is when the car is being driven. Before you add new transmission fluid, you should clean the pan. There may be two sets of marks, one if the fluid is hot, the other if it is cold. Some cars have a remotely mounted translucent plastic power steering fluid with high and low marking molded into it. If the automatic transmission fluid level does not come up to the "warm" line, you'll need to add automatic transmission fluid. The following observation should be made: If the level of fluid on the dipstick is low, but the fluid quality looks fine, then there is no need to change the transmission fluid. Transmission fluid: whats too hot or too cold. Since transmission fluid’s ability to flow does not directly impact a vehicle’s ability to start, cold-temperature transmission fluid performance is not foremost in the minds of consumers. what is the best way to check transmission fluid, hot or cold? The dipstick tube acts as the fill hole. 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