0
I just fixed my Tecumseh 590670 starter motor -- it would spin, but the drive gear would bounce against the flywheel and never engage. I saw several old posts about this, but nothing definitive regarding repair.
I had ordered parts from Sears Direct (kind of guessing what I might need), and it wasn't until I got the parts that I realized what the actual problem had been. There is a thick rubber piece called the "drive pinion" that sits between the helix washer and the drive gear. This was missing on my starter motor, which I did not know. I am guessing that it deteriorates over time and probably cracks in two and falls off the spindle at some point.
I had purchased a new helix washer, drive pinion and drive gear, but I'm thinking all I really needed was the rubber drive pinion, which is an $8.00 part. (I replaced all three parts anyway, since I had them). Disassembly and reassembly of the parts is easy and could probably even be done without taking the starter motor off the unit (in my case, a snowblower).
All you need to do is pull off a little retaining clip, and the parts slide off the spindle. I suppose it's probably best to take the motor off the unit before you begin so you don't drop any parts into somewhere they can't be retrieved.
I put everything back together, and sure enough, the starter works just fine now.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Why does car Starter spin but does not engage the engine?
that means the starter needs repair or replacement .usually is just the solenoid on the starter You need this part for Tecumseh starter motor #http://www.jackssmallengines.com/help.cfm?aribrand=TPC#/Tecumseh_Power_Company/ES110-5-590670/Electric_Starter/ES110-5-590670/ELS07ELS%7c%7e07590670-ES
Could the wrong flywheel make the starter not work?
yes. a starter made for the 168 tooth flywheel would not engage a 153 tooth flywheel.
97 mercury mystique starter will not engage?
If the starter spins but won't engage, then the Bendix is not engaging the flywheel. Remove the starter and test to see if the Bendix thrusts out, and check to see that the flywheel does not have chipped teeth.
Starter will not engage?
if the starter is spinning but not engaging then the bendix (starter teeth) is not moving out to grab the flywheel teeth or the flywheel has some broken teeth. The starter needs to be removed to see what the issue is.
Buick Skylark 1996 The starter willnot engage the flywheel the starter spin only?
The starter drive has broken, replace starter.
Why does the starter in a 1979 Chevy with a 350 small block grind sometimes or not engage into the flywheel too?
This can be caused by a worn flywheel, or a bad starter drive. You'll need to remove the starter and look at the flywheel to see which is bad.
What does the starter pinion gear engage to crank the engine?
Usually, the engine flywheel. A solenoid in the starter moves the starter pinion shaft forward (or backward depending on how it is mounted to the engine) to engage the outside edge of the flywheel (which has teeth to match the pinion gear).
Why does a starter on a Chevy 400 not engage to the teeth on the flywheel?
the starter bendix is bad or the flywheel it self has some teeth missing The Starter Bendix drive is not close enough to the flywheel. Reinstall the starter and check to see if there are shims that can be removed to place it closer.
Ford starter motor turns but doesn't engage engine and the flywheel and starter are fine what next?
thanks how many holding blots and where bad bendix (starter drive) if the spring in the starter bendix is weak or broken it will not engage the flywheel; but the starter will turn normally. bad thing is ,you have to pull the starter..good luck..
How do you know your starter is broken?
you will hear a loud screeching noise from where the starter is trying to engage with the flywheel...if these cogs are worn the starter will slip and make this noise.
Why does the starter for a Chevy 350 grind but will not engage the flywheel?
It could be the starter drive, the solenoid, or the ring gear itself. Best to pull the starter out of there and see what's going on.
Will a bad flywheel cause a car to not turn over?
A bad flywheel can definitely cause the engine not to turn over. The flywheel has teeth. If the teeth are chipped or broken, then the starter can not engage to spin the engine over.
