![Rod Knock? Piston slap? Or bad timing tensioner? Only happens on cold starts and resolves after engine at operating temp. 2000 Impreza Outback with 2.2. W/ 166k. I use syn. 10W30 w/ Rod Knock? Piston slap? Or bad timing tensioner? Only happens on cold starts and resolves after engine at operating temp. 2000 Impreza Outback with 2.2. W/ 166k. I use syn. 10W30 w/](https://external-preview.redd.it/CWWAMWTwEyGoX6DkjHQsG7v5nI5BFM6q05Xn3KyIv2Q.png?width=640&crop=smart&format=pjpg&auto=webp&s=e945248882dcfe6f4c3bdd17ec573676a578bcc2)
Rod Knock? Piston slap? Or bad timing tensioner? Only happens on cold starts and resolves after engine at operating temp. 2000 Impreza Outback with 2.2. W/ 166k. I use syn. 10W30 w/
![TheSamba.com :: Bay Window Bus - View topic - Added Lucas Zinc Additive to Last Oil Change; Threw Rod Hundred TheSamba.com :: Bay Window Bus - View topic - Added Lucas Zinc Additive to Last Oil Change; Threw Rod Hundred](https://www.thesamba.com/vw/gallery/pix/2197765.png)
TheSamba.com :: Bay Window Bus - View topic - Added Lucas Zinc Additive to Last Oil Change; Threw Rod Hundred
![Rod Knock? Piston slap? Or bad timing tensioner? Only happens on cold starts and resolves after engine at operating temp. 2000 Impreza Outback with 2.2. W/ 166k. I use syn. 10W30 w/ Rod Knock? Piston slap? Or bad timing tensioner? Only happens on cold starts and resolves after engine at operating temp. 2000 Impreza Outback with 2.2. W/ 166k. I use syn. 10W30 w/](https://external-preview.redd.it/FBN6mXg1GbF7uUBuRFJl-HKcZk4NZlaTD86FPLsc6D0.png?width=640&crop=smart&format=pjpg&auto=webp&s=5b6e6ebdf93d745b5b67b9e62914e87b6d4e79a6)
Rod Knock? Piston slap? Or bad timing tensioner? Only happens on cold starts and resolves after engine at operating temp. 2000 Impreza Outback with 2.2. W/ 166k. I use syn. 10W30 w/
![TheSamba.com :: Bay Window Bus - View topic - Added Lucas Zinc Additive to Last Oil Change; Threw Rod Hundred TheSamba.com :: Bay Window Bus - View topic - Added Lucas Zinc Additive to Last Oil Change; Threw Rod Hundred](https://www.thesamba.com/vw/gallery/pix/2197766.png)