• Hi Guest! Being a Paying Supporter is NOT a requirement to participate at BCF. However, subscribing will help ensure we can continue to serve the LBC community for years to come. If you enjoy BCF and find our forum a useful resource...Please consider supporting us by **Upgrading**
    (PS: Subscribers don't see this banner)
Tips
Tips

TR2/3/3A Grinding noise when trying to start sometimes?

Momikey

Senior Member
Offline
So sometimes Tr3a starts right up and then sometimes it try's and clicks. Today it made a grinding noise when trying to start. Is this a bad starter or what do you guys think?
 
D

Deleted member 8987

Guest
Guest
Offline
Click can be several things...starter being one. Low battery. Bad or corroded cables. Bad or corroded solenoid contacts (it clicks, so start button and circuit is probably for this discussion okay).
Put a test light on the output lug of the solenoid and see what it does when you hit "start". Voltmeter would be better, but light will tell you.
Then do it on the starter cable lug.
Brushes bad will start usually with a balky start, get to the point you will need a hammer to get home the last time. That usually dances the brushes down that last little bit to get you home. BTDT.
Grinding can be several things...again, bad starter, low cranking voltage (depending on whether you have one of the new gear drive or original..and type of drive). Bendix units are "spun" out, needs a good kick, low voltage (cables, battery, solenoid) can sometimes give you a partial sling on the drive. Bad Bendix, bad ring gear...and don't keep doing that or it will be a bad ring gear.

Check battery voltage. Check voltage at solenoid and starter while someone holds the start button in. Any voltage drop is cables, connections or solenoid contacts.

That's a start.

May be a bad starter, but always a good idea to know the bits that feed the starter are up to snuff before you start changing parts out.
 

croz

Senior Member
Country flag
Offline
Also check to be sure that the starter mounting bolts are still secure.
 
OP
M

Momikey

Senior Member
Offline
Click can be several things...starter being one. Low battery. Bad or corroded cables. Bad or corroded solenoid contacts (it clicks, so start button and circuit is probably for this discussion okay).
Put a test light on the output lug of the solenoid and see what it does when you hit "start". Voltmeter would be better, but light will tell you.
Then do it on the starter cable lug.
Brushes bad will start usually with a balky start, get to the point you will need a hammer to get home the last time. That usually dances the brushes down that last little bit to get you home. BTDT.
Grinding can be several things...again, bad starter, low cranking voltage (depending on whether you have one of the new gear drive or original..and type of drive). Bendix units are "spun" out, needs a good kick, low voltage (cables, battery, solenoid) can sometimes give you a partial sling on the drive. Bad Bendix, bad ring gear...and don't keep doing that or it will be a bad ring gear.

Check battery voltage. Check voltage at solenoid and starter while someone holds the start button in. Any voltage drop is cables, connections or solenoid contacts.

That's a start.

May be a bad starter, but always a good idea to know the bits that feed the starter are up to snuff before you start changing parts out.

What is a ring gear and where is it at?
 
D

Deleted member 8987

Guest
Guest
Offline
And it may be fine now...but you keep grinding without finding the cause, won't take long and you will have a good blank spot where the full gear teeth used to be.
 
OP
M

Momikey

Senior Member
Offline
Ok I'm going to remove the starter and check it all out. Moss does not seam to have a rebuilt one for the early tr3a only the up graded hi torque starters which I guess would be better any way.
 
OP
M

Momikey

Senior Member
Offline
Well I put a new hi torque starter in today an I also hooked it up using the attached solenoid not only did the grinding noise go away but the car starts right up. I like it.
I plan on rebuilding the old starter if I can just to have the original parts saved.
 
D

Deleted member 8987

Guest
Guest
Offline
There ya go! I can't recall off the top of me head the drive on a 2/3/3A, but I thought it was the old pull-in Bendix style.
Rust dirt and grease in the drive...or lots of old clutch facing dust...or remnants of throwout bearings...
Starter itself is probably just fine...check end float....but the drive can be the issue.

Tell me so I know...is the old unit pull-in drive (pulls the gear towards the starter and hits the rear part of the ring gear) and new one push out drive (hits front of ring gear)?
 
OP
M

Momikey

Senior Member
Offline
There ya go! I can't recall off the top of me head the drive on a 2/3/3A, but I thought it was the old pull-in Bendix style.
Rust dirt and grease in the drive...or lots of old clutch facing dust...or remnants of throwout bearings...
Starter itself is probably just fine...check end float....but the drive can be the issue.

Tell me so I know...is the old unit pull-in drive (pulls the gear towards the starter and hits the rear part of the ring gear) and new one push out drive (hits front of ring gear)?
my old one looks like a bullet I think it pushed out but the teeth were a little chipped and it felt like it was wore out. The new one is a hi torque stater from British starters. It starts right away. Big difference.
 
Similar threads
Thread starter Title Forum Replies Date
bighealeysource Mysterious grinding [ouch] noise on BN2 Austin Healey 7
zimmy grinding noise.... Spridgets 50
NutmegCT Starter grinding noise caused by a broken housing. Triumph 28
D grinding noise on 91 xjs v12 Jaguar 5
J Clutch and Grinding Gear Austin Healey 12
M Grinding when shifting into first Spridgets 10
KVH General Tech Grinding Gears in Shift From 1st to 2nd Triumph 13
C TR2/3/3A Gears grinding on first startup..... Triumph 14
T TR6 grinding right rear wheel Triumph 22
JPSmit What is that strange grinding sound in the distance? Spridgets 3
longbridgehealey gears grinding when shifting Spridgets 11
J Transmission grinding! Austin Healey 15
Jim_Stevens Grinding wheel removal Triumph 15
martx-5 Cam Grinding Triumph 4
S Grinding into first Spridgets 20
R Gears are grinding Spridgets 7
NutmegCT starter grinding Triumph 17
K Second gear grinding Triumph 17
S Gear Grinding in my BJ8 Austin Healey 2
B High-Torque Starter Rattling Noise Austin Healey 2
nicko Strange Engine Noise Austin Healey 7
Sarastro TR4/4A Identifying the source of gear noise. Triumph 15
Martinld123 Steering Idler Noise Austin Healey 21
S TR2/3/3A Noise from clutch area? Triumph 20
P TR6 Clutch pedal click noise Triumph 2
I T-Series air cleaner/ noise suppressor MG 1
L TR2/3/3A Noise seemingly from Distributor drive gear Triumph 15
P TR6 Clutch pedal noise Triumph 2
P TR6 Clunking noise in rear continuing Triumph 39
R Clutch Throwout Bearing Noise? Austin Healey 2
Gliderman8 TR6 What's that knocking noise? Triumph 6
Kleykamp TR2/3/3A Engine noise Triumph 4
SherpaPilot Strange Noise While Cornering in TR6 Racing 3
G Rattling Noise while Clutch is Partially Engaged Clutch Austin Healey 20
H TR6 1974 TR6 clutch noise when pedal is depressed Triumph 3
F TR2/3/3A Strange Loud Noise Triumph 11
Michael Oritt Clutch-related noise Austin Healey 14
B An expensive sounding noise possibly the transmission Austin Healey 7
M TR2/3/3A Annoying Vibrating noise?? Triumph 11
johnrip Wedge TR7 had replaced rotors, now I have a noise and vibration-Wheel Bearing? Triumph 4
G Tappet Noise Austin Healey 8
TulsaFred Generator or water pump noise? Spridgets 20
S Disconcerting engine noise, please help if you can. Austin Healey 56
2billydavies TR2/3/3A rattling noise on TR3a Triumph 12
J MGB Project car done; front end clunk noise while braking MG 4
P MGB MGB overheating with a squealing noise from the engine MG 11
RAC68 Loud Trans Scrapping Noise Austin Healey 9
J Fan Type Noise on Ignition Switch in Accessory Austin Healey 9
K TR2/3/3A Gearbox noise.... Triumph 8
P TR6 Rear suspension noise Triumph 3

Similar threads

Top