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1990 Toyota Camry Light Engine tapping seems to have turned

Tiny
KATRINAD06
  • MEMBER
  • 1990 TOYOTA CAMRY
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 126,000 MILES
Engine Mechanical problem
1990 Toyota Camry 4 cyl Front Wheel Drive Manual

I have a camry 1990 4cyl, The oil light flickered and a tapping sound started, after putting oil in, now there is a loud metallic knocking sound coming from the right side of the engine, It sounds as something has let go, or is loose. I was able to drive car to nearby parking lot where it's waiting to be towed simply because I'm afraid to drive it and cause more damage. Do you think it is the lifters?Or something more severe?
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Saturday, November 8th, 2008 AT 10:57 PM

4 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

These engine have shims as valve clearance adjusters and not lash adjusters or hydraulic lifters, so I feel that your engine may have a bearing problem as this is the most common cause for this engine knock noise.

Mark (mhpautos)
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Saturday, November 8th, 2008 AT 11:05 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
How low was the oil level showing before you filled it up? In most cases when you hear metal grinding in the engine, the engine is going to have to be overhauled or replaced.
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Saturday, November 8th, 2008 AT 11:05 PM
Tiny
KATRINAD06
  • MEMBER
  • 2 POSTS
It was only down a quart. She has a very slow oil leak (seems she has had it since the day she was bought). But I always check my oil (which is why I found it odd that the light flickered) and had Just had the oil changed (like I do every 3 months) not two months ago. It doesn't make sense.

So how much does an overhaul normally cost? And what's a best case scenario? And if it is a bearing problem, how much does that normally cost?
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Saturday, November 8th, 2008 AT 11:10 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
If it is a bearing, then the engine is going to have to be completely disassembled. This is an overhaul. The labor costs differ from location and repair shops but it is not a very cheap fix. It will normally be around $1,500, but that is where I am located, and also for a 6 cylinder engine. Your engine is much smaller so it may cost less.

Best case scenario is that it is the bearings.
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Saturday, November 8th, 2008 AT 11:18 PM

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