• The Roadster Factory Recovery Fund - Friends, as you may have heard, The Roadster Factory, a respected British Car Parts business in PA, suffered a total loss in a fire on Christmas Day. Read about it, discuss or ask questions >> HERE. The Triumph Register of America is sponsoring a fund raiser to help TRF get back on their feet. If you can help, vist >> their GoFundMe page.
  • Hey there Guest!
    If you enjoy BCF and find our forum a useful resource, if you appreciate not having ads pop up all over the place and you want to ensure we can stay online - Please consider supporting with an "optional" low-cost annual subscription.
    **Upgrade Now**
    (PS: Subscribers don't see this UGLY banner)
Tips
Tips

TR2/3/3A Mystery knocking sounds at front wheel

JAJohn

Member
Bronze
Country flag
Offline
Help! My revived 62 TR3 went on its longest drive yet, about 10 miles, but after about 6 miles a mystery sound happened while running. A non-metallic thumping/banging, getting louder, sounded like at the driver's side front wheel. Increased in speed and volume as the car speed increased, but stopped with applicaton of brakes. Absolutely no effect on engine, transmission/ clutch. After a while, it stopped mostly, except when turning right or left.
Recently had brakes/clutch rebuilt at great cost. The car sat for 40 years. Maybe wheel bearing failing? Brake caliper not tightened up?
 

Gliderman8

Great Pumpkin
Country flag
Offline
A couple of years ago I had a “mystery knock” in the front wheel of my TR6.
It turned out to be a bolt that held the brake rotor had worked itself loose because a locking tab was not bent up preventing the bolt from loosening. Just something to check.
 

Sarastro

Obi Wan
Silver
Country flag
Offline
My guess is also that something is loose in the wheel/brake assembly. Best thing is to jack it up and take a good look. Lots of things can cause this type of phenomena, so it's hard for any of us to do more than guess.

Don't discount trivialities. A little while ago, right after getting new tires, my modern car developed a thump in one wheel. I started to panic, assuming that one of my new tires was bad. I took a good look and found a palm-tree seed stuck in the tread. Picked it out, and all was well afterward.
 

CJD

Yoda
Country flag
Offline
Are you running wires or discs?

A wheel bearing would make a rumbling noise, so you can count it out at least.
 

bobhustead

Senior Member
Gold
Country flag
Offline
That it stops with application of the brakes implies something in the brake system. Rotor not snug to hub, loose pads, loose caliper, loose caliper mounting plate. If you can't find it by simple inspection, you will probably need to disasssemble the whole corner until you do find it. Could be very unsafe
Bob
 
OP
J

JAJohn

Member
Bronze
Country flag
Offline
this car has solid wheels. My first tr years ago had wires, and i heard a similsr sound then when about half the wires on one whrel broke.
 

sp53

Yoda
Country flag
Offline
Sounds too noisy for the pressure valve not to be applying some pressure on the brake pads, but that could be it because you say it goes away when you apply the brake. Maybe the brake pads are knocking around on the roto. But again probably something lose.

Steve
 
OP
J

JAJohn

Member
Bronze
Country flag
Offline
Mystery solved! The knocking sound was in fact the entire wheel, loose on the lug nuts. Apparently the large expense of rebuilding the hydraulics brakes and clutch didn't include tightening the lug nuts on the wheels. All of them around the car were about finger-tight.
 

Gliderman8

Great Pumpkin
Country flag
Offline
Mystery solved! The knocking sound was in fact the entire wheel, loose on the lug nuts. Apparently the large expense of rebuilding the hydraulics brakes and clutch didn't include tightening the lug nuts on the wheels. All of them around the car were about finger-tight.
Man you dodged a bullet. Glad you found the cause.
 

mctriumph

Jedi Warrior
Silver
Country flag
Offline
The garage should be responsible for the costs of studs and a replacement wheel.They owe you this, at least, for
the damages they incurred from their negligence.
Mad dog
 
Similar threads
Thread starter Title Forum Replies Date
K TR2/3/3A Mystery TR Part Triumph 9
Celtic 77 MGB Mystery cylinder head attachment. MG 4
A For Sale Mystery brass intake manifold Other British Classifieds 0
equiprx Mystery part Other British Cars 2
BoyRacer Austin A90 mystery engine British Motor Corp 2
V MGB Mystery fastener from '66. Did I miss something? MG 6
C Spitfire Mystery wires - Spit, left near distributor Triumph 2
BoyRacer Mystery 3000 Engine Block Austin Healey 2
K TR2/3/3A Mystery clunking and banging from rear of car when driving over rough road or bumps? Triumph 14
D TR2/3/3A Another mystery part(s) Triumph 2
S MGB mystery wiring plug MG 2
jehuie Morris Minor horn mystery British Motor Corp 12
K TR2/3/3A Mystery Clutch MC? Spitfire....TR4....69-70 TR6??? Triumph 2
D TR2/3/3A Another mystery part Triumph 8
Sixpack TR6 Horn Mystery Triumph 3
M TR6 Mystery Switch Triumph 0
Got_All_4 TR5/TR250 Wiring/Electrical Mystery Worked Perfect Then Not Triumph 5
J TR2/3/3A TR3 gas tank mystery Triumph 5
M TR6 Fuse box wiring mystery Triumph 9
S MGB mystery wire MG 32
somewhatspritely Mystery Screws Spridgets 5
Healey Nut Mystery Part Austin Healey 2
D TR2/3/3A Another mystery part..or two Triumph 14
B 2013 Nissan Frontier front end mystery Other Cars 7
B MGA Mystery bolts MG 2
P Mystery Lexus?? Other Cars 10
T New Generator Mystery Austin Healey 5
B MGA Mystery MGA chassis part MG 3
K TR2/3/3A Mystery stall and no start? Triumph 7
Csarneson Source for distributor drive peg? Mystery Part? Austin Healey 8
AN6-TX Application of Marvel Mystery Oil Spridgets 8
J TR2/3/3A Mystery Wood Triumph 7
K Mystery badge bar Other Cars 4
P Mystery Car Other Cars 11
Y MGB A bellhousing mystery.... MG 3
P Mystery leftover BJ7 Pieces Austin Healey 18
warwick-steve Mystery Rattle Austin Healey 21
K Off Topic Mystery Windshield Brackets or ?? Triumph 6
warwick-steve Misfire mystery Austin Healey 28
ckeithjordan TR2/3/3A TR Mystery Thingy Triumph 13
S Marvel Mystery Oil Spridgets 7
D mystery Friday... Austin Healey 5
D mystery of the day... pedal block? Austin Healey 5
HighAltitudeTR3 TR2/3/3A Mystery Bracket Triumph 23
D TR4/4A water pump mystery hole Triumph 6
P TR6 Purple/Red wires & mystery bulbs Triumph 17
T TR2/3/3A Another Mystery Part Triumph 8
R TR2/3/3A Mystery part? Triumph 10
T 100-6 LHD/RHD mystery Austin Healey 7
T TR2/3/3A Mystery Heel Panel Holes? Triumph 6

Similar threads

Top