mduda@aol.com Posted January 6, 2017 Share Posted January 6, 2017 (a) Function, ( location, © cost to replace, (d) replacement interval (e) Where can I get an authentic Maintenance Schedule (or copy) for 1999 Forester? Thanks, I'm new to the forum. Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted January 6, 2017 Share Posted January 6, 2017 What's the Difference Between Serpentine Belt and Drive Belt The serpentine belt is used to run the alternator, A/C compressor pulleys. Where as, what you are calling the drive belt is probably the timing belt. It is behind the cam covers, and can't be seen without removing the covers. On a 99 Forester, I think that timing belt replacement is every 60 or 65 K miles. It is important to replace this belt religiously, because if it breaks, there will be serious damage to the valves. Replacing bent valves is expensive. About every other timing belt replacement, the pulleys and tensioners associated with the timing belt should also be replaced. If a bearing locks up in any of these parts, then the belt breaks, and you are back at replacing the now bent valves. Don't know the time and or millage schedule of replacing the serpentine belt. Your owner's manual may tell you this. I have replaced serpentines when I see cracks in the belt, or broken/missing teeth. Quote Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted January 6, 2017 Share Posted January 6, 2017 cars101.com may have a copy of the schedule for your 99 Forry Quote Link to comment Share on other sites More sharing options...
Fairtax4me Posted January 6, 2017 Share Posted January 6, 2017 When a parts listing says "drive belt" it's referring to the accessory drive belt (it drives the accessories on the engine). Accessories include alternator, power steering pump, AC compressor, water pump, etc. A serpentine belt is the style of belt. The other major belt style being a V belt (has a V shape) which is generally used to drive only one accessory. Vehicles that use v belt with several accessories will have 3 or 4 v belts. A serpentine belt is wider and flat and is generally used to drive multiple accessories with the same belt. It snakes it's way around multiple pulleys, hence the moniker. Many Japanese vehicles use serpentine style belts to drive only one or two accessories. So on your Subaru you'll have one belt for the alternator and power steering, and another belt for the Ac compressor. Timing belts are a whole different style of belt. You'll never see a timing belt refered to as a "drive" belt. Quote Link to comment Share on other sites More sharing options...
wtdash Posted January 6, 2017 Share Posted January 6, 2017 (edited) check this link: http://jdmfsm.info/Auto/Japan/Subaru/Forester/1999-2002/ Cars101.com: http://www.cars101.com/subaru/subaru_maintenance.html#90-99maintenance - I don't agree w/the 'Cam Belt' (timing belt) replacement. That's common on Hondas and Toyotas, but Subarus? Most EJ-series (yours is an EJ253) engines are 105K miles/10 years on the T-belt, AFAIK. 60K miles /5 years on the serpentine/drive/accessory belts sounds about right. Service manual should (?) have maintenance info. If you want a hard copy, ebay usually has them for sale. ALL RIGHT HERE. BTW, as yours is the transition year for the engine (EJ25D/DOHC to EJ253/SOHC) in the Forester, best to use your VIN to get parts. You can have the dealer look up the part numbers and then find them online. EDIT: WOW: I just read the Maintenance schedule from the above 'jdmfsm' link (it's for a NON-USA model Ej20); another one from an online dealership; and the Cars101 and they are all different for the Timing Belt! Some say 4Year/60K miles, another has the 10Year/105K and yet another has 6/60K....So, it depends on the exact year and engine. This is from the attached Endwrench (Subaru tech) document: Camshaft Drive Belt(s)Different Subaru vehicles have employed different camshaft drive belt configurations,so you’ll need to consult a vehicle service manual for belt inspectionand replacement recommendations for the particular Subaru vehicle you’reservicing. Most late model 49-state Subaru vehicles have a 30 month, 30,000mile camshaft belt inspection recommendation, with a 105 month/105,000 milereplacement recommendation. Endwrench-Maintenance.pdf Edited January 6, 2017 by wtdash Quote Link to comment Share on other sites More sharing options...
forester2002s Posted January 6, 2017 Share Posted January 6, 2017 Another thing about V-belts, is that they only bend in one direction. They won't do a reverse bend without cracking. Whereas a serpentine-belt CAN do a reverse bend, so they are like a serpentine-snake. The timing-belt on Subarus is a typical serpentine-belt Quote Link to comment Share on other sites More sharing options...
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